A convex mirror of focal length F (in air) is immersed in a liquid. The focal length of the mirror in liquid will be:
- ((a))
(4/3) f
- ((b))
(3/4) f
- ((c))
(7/3) f
- ((d))
F
Show Answer
(4/3) f
75 questions · 60 minutes · with answers · free
A convex mirror of focal length F (in air) is immersed in a liquid. The focal length of the mirror in liquid will be:
(4/3) f
(3/4) f
(7/3) f
F
(4/3) f
Select the most appropriate term for the given set of items.
Fine arts
Pictures
Culture
Technology
Fine arts
Who is the MD and CEO of Allahabad Bank as of March 2018?
Arundhati Bhattacharya
Chitra Ramakrishna
Shikha Sharma
Usha AnanthSubramanian
Arundhati Bhattacharya
If 9 × 6 = 45, 7 × 4 = 33 and 6 × 4 = 20, then what is the value of 5 × 3?
13
16
24
10
13
Tapas, Avi and Rishi shared a cake. Tapas had 1/2 of it, Rishi had 1/3 of it and Avi had the rest. What was Avi’s share of the cake?
3/5
2/6
3/6
1/6
3/5
Negative acceleration occurs in the opposite direction of:
Velocity
Force
Distance
Momentum
Velocity
Which of the following numbers will have an irrational square root?
2048
2401
1024
4096
2048
In the circle below, chord AB is extended to meet the tangent DC at D. If AB = 12 cm and DC = 8 cm, find the length of BD.
4√6 cm
6 cm
4 cm
5 cm
4√6 cm
In which of the few process highly reactive metals are obtained from pure molten ore?
Calcination
Electrolysis
Roasting
Reduction by an appropriate reducing agent
Calcination
A ladder 13 m long reaches a window which is 12 m above the ground on side of a street. Keeping its foot at the same point, the ladder is turned to the other side of the street to reach a window 5 m high, then the width of the street is:
17 m
16 m
14 m
15 m
17 m
Which of the following is a Saprotroph?
Pigeon
Mushroom
Algae
Man
Pigeon
An increase in price of which of these products will have a ripple effect in increasing the prices of many products, thereby resulting in inflation?
Automobiles
Petroleum
Smartphones
Medicines
Automobiles
From the option given, select the rotated version of the following image.
C
B
D
A
C
Consider the given statement true and decide which of the conclusions logically follow(s) from the information given in the statement.
Statement:
The population in metro cities in increasing tremendously which leads to the shortage of living space and a drop-in living conditions of the people.
Conclusion:
1.Government should re-plan city development
2.Government should demolish illegal buildings and build cottages for people.
Neither conclusion 1 nor 2 follows.
Only conclusion 2 follows.
Both conclusions 1 and 2 follow.
Only conclusion 1 follows.
Neither conclusion 1 nor 2 follows.
Which of the following is the last element in the Newlands Law of Octaves classification?
Radium
Thorium
Iron
Rhodium
Radium
If the difference between the mode and median is 2, then find the difference between the median and mean(in the given order).
2
1
3
4
2
When a number of resistors are connected in series in a circuit, the value of current ________ across each resistor.
Becomes half
Remains the same
Increases
Decreases
Becomes half
In the morning X and Y are walking towards each other in a park. When they meet each other, Y’s shadow falls straight in front of X. In which direction was X facing?
West
North
East
South
West
Name the metal that can be easily cut with a knife:
Copper
Sodium
Gold
Aluminium
Copper
Which gas is released when water is added to bleaching powder?
Carbon dioxide
Oxygen
Chlorine
Hydrogen
Carbon dioxide
Which of the following is not a triangular number?
15
3
10
5
15
Consider the given statements true and decide which of the given conclusions can definitely be drawn from the given statements.
Statements:
Some fruits are vegetables.
Some vegetables are not edible.
Conclusions:
Conclusion 2 is correct.
Conclusion 1 is correct.
Both inclusions 1 and 2 are correct.
Neither conclusion 1 nor 2 is correct.
Conclusion 2 is correct.
Consider the given question and decide which of the following statement(s) is/are sufficient to answer the question.
Is (X – 5) even? X is a real number.
Statement:
Both statements 1 and 2 are sufficient
Statement 2 alone is sufficient while statement 1 alone is insufficient
Neither statement 1 nor 2 is sufficient
Statement 1 alone is sufficient while statement 2 alone is insufficient
Both statements 1 and 2 are sufficient
A 4.0 kg object is moving horizontally with a speed of 5.0 m/s. To increase its speed to 10 m/s, the amount of work required to be done on this object is:
150 J
50 J
75 J
100 J
150 J
Who is the author of the speculative fiction book ‘Half of What I say’?
Namita Gokhale
Shashi Tharoor
Anil Menon
K.R. Meera
Namita Gokhale
Consider the given questions and decide which of the following statements is sufficient to answer the question.
How much was the sale of the company ABC?
Statements:
I alone is sufficient while 2 alone is not sufficient to answer the question.
Both 1 and 2 are sufficient to answer the questions.
Neither 1 nor 2 is sufficient to answer the question.
2 alone is sufficient while 1 alone is not sufficient to answer the question.
I alone is sufficient while 2 alone is not sufficient to answer the question.
Who is the Chairman of the Economic Advisory Council to the Prime Minister (PMEAC) as of February 2018?
Amit Mitra
Amartya Sen
Bibek Debroy
Najma Heptulla
Amit Mitra
A train takes 10 seconds to cross a bridge of length 100 m travelling at 90 kmph. Find the length of the train in metres.
140
150
130
120
140
The SI unit of resistance is ________.
Joule
Coulomb
Ohm
Newton
Joule
Consider the given statement and decide which of the given assumptions is/are implicit in the statement.
Statement:
Honesty is the best policy.
Assumptions:
I)Honest people are policy makers.
II)Each policy must contain honesty.
Neither assumption (I) nor (II) is implicit
Only assumption (I) is implicit
Only assumption (II) is implicit.
Both assumptions (I) and (II) are implicit
Neither assumption (I) nor (II) is implicit
Who is the newly appointed Governor of Tamil Nadu as of February 2018?
Satyapal Malik
Subramanian Swamy
Banwarilal Purohit
K Rosaiah
Satyapal Malik
Select the Answer Figure that fits in the blank space in the given Problem Figure.
B
D
A
C
B
The reflector of a searchlight is a:
Plane mirror
Concave mirror
Cylindrical mirror
Convex mirror
Plane mirror
Select the option that is related to the third figure in the same way as the second figure is related to the first figure.
Plants that do not have a differentiated plant body belong to the group _______.
Pteridophyte
Phanerogams
Thallophyte
Bryophyta
Pteridophyte
The interest earned on Rs. 1,600 at the rate of 5% simple interest per annum for 6 years would be:
Rs. 469
Rs. 2,080
Rs. 480
Rs. 450
Rs. 469
Select the related word pair from the following options.
Goose : Geese :: _______
Socks : Sock
Shirts : Shirt
Jackets : Jacket
Plant : Plants
Socks : Sock
Which of the following is true?
29/6 > 43/12
29/6 = 43/12
29 < 43/12
29/6 = 53/12
29/6 > 43/12
In the following series, one term is missing as shown by the questions mark (?). select the missing term from given options.
ST, TU, UV, VW, ?
WY
WX
WZ
WV
WY
Nodes of Ranvier are microscopic gaps found within:
Myelinated axons
Gland cells
Osteoblasts
Chondroblasts
Myelinated axons
Consider the given statement and decide which of the given assumptions is/are implicit in the statement.
Statement:
Teachers must attend workshop.
Assumptions:
Workshop updates teachers.
Workshops kill time.
Only assumption (I) is implicit
Both assumptions (I) and (II) are implicit.
Only assumption (II) is implicit.
Neither assumption (I) nor (II) is implicit.
Only assumption (I) is implicit
Select the option that depicts the correct mirror image of the given word when the mirror is placed horizontally below the word.
Pir Panjal Railway Tunnel is located in ______.
Jammu and Kashmir
Himachal Pradesh
Uttarakhand
Sikkim
Jammu and Kashmir
Consider the given question and decide which of the following statements is sufficient to answer the question.
Is Raju fond of travelling?
Statements:
Both statements taken together are sufficient to answer the question, but neither statement alone is sufficient.
Statement 2 alone is sufficient but statement 1 alone is not sufficient to answer the question.
Statement 1 and 2 together are not sufficient, and additional data is needed, to answer the question.
Statement 1 alone is sufficient but statement 2 alone is not sufficient to answer the question.
Both statements taken together are sufficient to answer the question, but neither statement alone is sufficient.
The number of neutrons in an atom is equal to the:
Mass number - atomic number
Atomic number
Number of electrons
Mass number
Mass number - atomic number
Seven years from now Virat will be twice as old as Mohinder. Five years ago, Mohinder’s age was one year less than 2/5 of Virat’s age. What is Virat’s present age?
53 years
57 years
51 years
55 years
53 years
A swimming pool is filled in 10 hours by three tankers A, B and C. The tanker C is Twice as fast as B and B is twice as fast as A. How much time will tanker A alone take to fill the swimming pool?
10 hours
80 hours
40 hours
70 hours
10 hours
The number of symbols that are preceded by a number in the given expression is ______.
R + J M 2 $ # Q R ? * O @ 7 F 3
3
1
2
4
3
Consider the given argument and decide which of the given assumptions is/are implicit in the argument.
Argument:
The campaign ‘Swachh Bharat’, to keep one's cities clean, started by the apartment association, didn’t bring much of a response from its residents.
Assumptions:
Only assumption 2 is implicit.
Neither 1 nor 2 is implicit.
Only assumption 1 is implicit.
Both 1 and 2 are implicit.
Only assumption 2 is implicit.
Select the figure that does NOT belong in the following group.
A
C
D
B
A
How many triangles are present in the following figure?
11
13
10
12
11
Which of the numbers given below is the square root of 15376?
128
134
122
124
128
Umar and Avinash started a partnership with investments of Rs. 10,000 and Rs. 15,000, respectively but due to a financial emergency, Avinash had to withdraw his investment after 8 months. In what ratio should the profit of the first twelve months be shared among the duo?
3 : 2
1 : 1
2 : 3
1 : 2
3 : 2
The volume of a right circular cone, whose radius of the base is same as one-third of its altitude, and the volume of a sphere are equal. The ratio of the radius of the cone to the radius of the sphere is:
∛(3) : ∛2
1 : 1
∛(4) : 1
∛4 : ∛3
∛(3) : ∛2
Type 1 workers can do three times the work of Type 2 workers. Twelve type 1 workers can complete a task in 10 days. How many days would it have taken 4 Type 1 and 8 Type 2 workers to complete the same task?
20 days
18 days
16 days
17 days
20 days
Asexual reproduction differs from sexual reproduction in that in asexual reproduction _______.
The nuclei of gametes fuse
The gametes are produced in reproduction
The offspring shows variations
The new organisms are genetically identical to the parent
The nuclei of gametes fuse
How many atoms are present in a (NH4)2SO4 molecule?
15
14
12
13
15
The ratio of the numbers of blue to red balls in a bag is constant. When there were 44 red balls, the numbers of blue was 36. If the number of blue balls is 54. How many red balls will be in the bag?
64
66
62
68
64
By which legislation were India and Pakistan divide into two independent nations?
Indian Independence Act 1947
Pakistan Independence Act 1947
Indian Partition Act 1947
Pakistan Partition Act 1947
Indian Independence Act 1947
Looking at the portrait of a girl, Sheesha, a girl said, “Her mother is my maternal grandfather’s only daughter who has only one daughter and no sons”. How is Sheesha related to the girls in the portrait?
Niece
Sister
Aunt
Sheesha herself
Niece
Who is the curren President of the Indian Olympic Association?
Sharad Panwar
Adille Sumariwalla
Abhinav Bindra
Prannoy Roy
Sharad Panwar
Momentum is measured as the product of:
Mass and acceleration
Mass and inertia
Mass and velocity
Mass and force
Mass and acceleration
According to the given Venn diagram, which number represents ‘Boys who participate in athletics and also play cricket’?
2
3
1
11
2
In Mendeleev’s periodic table, the properties of the elements are considered a periodic function of their:
Atomic number
Atomic mass
Ionization enthalpy
Atomic size
Atomic number
Consider the given question and decide which of the following statements is/are sufficient to answer the question.
Between X and Y who is the better dancer?
Statements:
Neither statement 1 nor 2 is sufficient
Statement 2 alone is sufficient while statement 1 alone is insufficient
Statement 1 alone is sufficient while statement 2 alone is insufficient
Both statement 1 and 2 are sufficient
Neither statement 1 nor 2 is sufficient
Which of the following acids is present in Red Ants?
Malic acid
Oxalic acid
Formic acid
Tannic acid
Malic acid
Select the most appropriate term for the following set of items.
Celebration
Meeting
Marriage
Books
Celebration
Find a two digit number which is exactly three times the product of its digits.
36
12
48
24
36
. Who is the author of the book ‘The association of small Bombs’, which is currently shortlisted for the International Dublin Literary Award?
Namitha Ghokhale
Arundhathi Roy
Chetan Bhagat
Karan Mahajan
Namitha Ghokhale
As of February 2018, who owns the Kolkata-based IPL term ‘Kolkata Knight Riders’?
Sourav Ganguly
Aamir khan
Shah rukh khan
Subrata Roy
Sourav Ganguly
Three years from now Dhahiri’s age will be eight years less than twice Eunice’s age. The sum of their present ages is 61 years. What is Dhahiri’s present age?
39 years
41 years
43 years
36 years
39 years
ABC$+#DEF&=?GHI!2*@
Find the missing term using the above sequence:
ABC : @*2 ∷ $#E : _______.
!H?
?H!
!HG
HH!
!H?
1 kWh = _________.
3.6 × 106 J
3.6 × 105 J
3.6 × 10-5 J
3.6 × 10-6 J
3.6 × 106 J
In a class, there were 9 boys and some girls. In a test the mean score obtained by the boys was 12 while that obtained by the girls was 14. If the overall average was 13.1, what was the total number of students in the class?
22
19
20
21
22
At 9.5% simple interest per annum, a sum of money became Rs. 942 in 6 years. The sum invested initially was:
Rs. 626
Rs. 600
Rs. 675
Rs. 650
Rs. 626
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