Arithmetic, number systems, percentages, ratios, profit and loss, time and work, algebra, geometry, mensuration, and trigonometry.
What will come in the place of the question mark ‘?’ in the following question?
(18)7.9 × (3)0.1 × (6)0.1 ÷ {(3)4 × (6)4} = (18)?
8
4
3
9
5
Correct answer
8
What will come in the place of the question mark ‘?’ in the following question?
2-2 × 4-3 ÷ 8-4 = 2?
12
18
20
-4
4
Correct answer
12
What will come in the place of the question mark ‘?’ in the following question?
\(18\frac{1}{3} + 9\frac{2}{3} - 10\frac{1}{3} = 1\frac{2}{3} + ;?\)
10
15
18
16
None of these
Correct answer
10
What will come in the place of the question mark ‘?’ in the following question?
(? - 0.5) ÷ 0.4 = 150 ÷ 2
20.5
30.5
29.5
25.5
None of these
Correct answer
20.5
What will come in the place of the question mark ‘?’ in the following question?
√324 + 92 - 72 = 2 × (?)2
25
5
10
125
20
Correct answer
25
What should come in place of the question mark (?) in the following question?
45% of 260 + 130% of 180 = ?
341
351
531
331
361
Correct answer
341
What will come in the place of the question mark ‘?’ in the following question?
50% of 280 - (2/7) of 490 = 30 - ?
30
20
35
40
25
Correct answer
30
What will come in the place of the question mark ‘?’ in the following question?
√1024 × 40 + (20)2 + 0.5% of 9600 + 469 = (?)3
14
15
21
13
19
Correct answer
14
What should come in the place of the question mark ‘?’ in the following question?
90 × 20% of 105 ÷ 3 = ?
630
600
615
610
None of these
Correct answer
630
What will come in the place of the question mark ‘?’ in the following question?
433 + 514 - 787 - 8 × ?% of 320 = 0
6.25
6
6.5
7.5
5
Correct answer
6.25
In each of the following number series, a wrong number is given, find out that number.
23, 45, 89, 177, 363, 705
177
45
89
363
705
Correct answer
177
In each of the following number series, a wrong number is given, find out that number.
100800, 14400, 2400, 480, 240, 40
40
240
14400
480
2400
Correct answer
40
In each of the following number series, a wrong number is given. Find out that number.
540, 540, 270, 135, 22.5, 4.5
540
270
22.5
135
4.5
Correct answer
540
In each of the following number series, a wrong number is given. Find out that number.
38, 39, 43, 52, 70, 93, 129
70
52
93
129
39
Correct answer
70
In each of the following number series, a wrong number is given. Find out that number.
18, 35, 69, 136, 273, 545
69
35
18
136
273
Correct answer
69
Two pots contain equal quantity of mixture of Alcohol and water. The ratio of alcohol and water in these pots is 2 ∶ 3 and 4 ∶ 1, respectively. Radha mixed content of the two pots together. Find the ratio of Alcohol and water in new mixture.
4 ∶ 3
2 ∶ 3
3 ∶ 2
3 ∶ 4
None of these
Correct answer
4 ∶ 3
The total population of a town is 2800 where number of males is 720 more than that of females. If the number of males reduces by 40% and that of females increases by 20%, then find the new population of town.
2236
2440
2304
2316
2060
Correct answer
2236
The speed of a boat with the stream is 10 km/hr and while returning its speed becomes 6 km/hr. Find the speed of boat in still water and the speed of stream.
8 km/hr and 2 km/hr
7 km/hr and 3 km/hr
6 km/hr and 2 km/hr
9 km/hr and 1 km/hr
None of these
Correct answer
8 km/hr and 2 km/hr
Sanju, Suraj and Sanjay can complete a work in 12 days, 16 days and 24 days respectively. In how many days will the three of them to do the same work together?
16/3 days
58/9 days
6 days
8 days
None of these
Correct answer
16/3 days
The length of two trains are 130 m and 150 m are running at the speed of 52 km/hr and 74 km/hr, respectively on parallel tracks in opposite direction. In how many seconds will they cross each other?
5
8
10
12
None of these
Correct answer
5
Solving previous year questions by topic helps identify recurring concepts, question patterns, and frequently asked sub-topics. Attempt each question, review the step-by-step explanation, and note down key formulas or facts for quick revision before the exam.