Arithmetic, number systems, percentages, ratios, profit and loss, time and work, algebra, geometry, mensuration, and trigonometry.
B1 and B2 can do a piece of work together in 8 days, B2 and B3 can do the same work together in 16 days, while B1 and B3 can do it together in 32 days, what percentage of the total work can all the 3 people, working together, do in 4 days?
43.75%
40.75%
38.5%
41.25%
Correct answer
43.75%
The difference between the compound interest and simple interest on a sum of Rs. 2,500 for 2 years is Rs. 100. Find the rate of interest per annum, if the nominal rate of interest per annum is the same for both simple and compound interest, and in the case of compound interest, the interest is compounded annually.
40%
25%
20%
12%
Correct answer
40%
X and Y, working together, can complete a work in 30 days, Y and Z, working together, can complete the same work in 40 days, and Z and X, working together, can complete the same work in 24 days. In how many days can X, Y and Z, working together, complete the work?
10 days
5 days
15 days
20 days
Correct answer
10 days
The ratio of three numbers is \(\frac{1}{4}\) ∶ \(\frac{5}{6}\) ∶ \(\frac{1}{3}\) respectively. If the sum of the numbers is 68, what is the value of \(\frac{1}{3}\) of the first number?
6
8
2
4
Correct answer
6
If an electricity bill is paid before the due date, one gets a reduction of 2 per cent on the amount of the bill. By paying the bill before the due date, Rajiv got a reduction of Rs. 40 and Ravina got a reduction of Rs. 80. What is the sum of the electricity bills of Rajiv and Ravina?
Rs. 4,000
Rs. 2,000
Rs. 6,000
Rs. 8,000
Correct answer
Rs. 4,000
The value of \(\frac{1}{27}\) of 3375 + 44% of 2775 is:
1342
1349
1346
1351
Correct answer
1342
The following table shows the number of flowers of different colours in a garden.
| Colour of flower | Number of flowers |
|---|---|
| Pink | 4 |
| Purple | 6 |
| Blue | 7 |
| Red | 3 |
| Yellow | 8 |
What is the total number of flowers in the garden, except the blue-colored ones?
21
22
20
28
Correct answer
21
Study the given pie-chart and answer the question that follows.
The pie-chart represents the shares of the number of different flavours of pizzas sold on a random day.
[Figure is drawn to scale.]
Which flavor of pizza is the most ordered one?
Capsicum
Onion
Mushroom
Cheese
Correct answer
Capsicum
In a town, 80% of the population are adults, of which the population of men and women is the ratio 2 ∶ 3. If the number of adult men is 1.2 lakh, what is the total population of the town?
2 lakh
3 lakh
1.5 lakh
3.75 lakh
Correct answer
2 lakh
The following pie chart gives the central angles of the various sectors representing the number of employees in different departments in a company.
The number of employees in the marketing department is what percentage of the number of employees in all the departments taken together?
50%
12.5%
20%
25%
Correct answer
50%
If the adjacent sides of a rectangle, whose perimeter is 66 m, are in the ratio 5 ∶ 6, then what will be the area of the rectangle?
270 m2
160 m2
230 m2
180 m2
Correct answer
270 m2
What will be the average of all the even numbers between 11 and 27?
20
17.5
19
18
Correct answer
20
In what time will Rs 13,000 lent at 4 per cent per annum on simple of simple interest amount to Rs. 13,780?
1 year 6 months
2 years 6 months
2 years 3 months
1 year 5 months
Correct answer
1 year 6 months
The lengths of the diagonals of a rhombus are 16 cm and 30 cm, respectively. What is the perimeter of the rhombus?
68 cm
76 cm
72 cm
80 cm
Correct answer
68 cm
The price of tomatoes increases by 10%. The consumption of tomatoes decreased by 15%. What is the percentage change in the expenditure on tomatoes?
8% decrease
7.5% decrease
6.5% decrease
7% decrease
Correct answer
8% decrease
A milkman purchases milk at Rs. 'a' per litre and sells it at Rs. 1.5a per litres. Still he mixes 2 litres water with every 9 litres of pure milk. What is his profit percentage?
\(\frac{250}{3}\)%
\(\frac{328}{9}\)%
\(\frac{789}{5}\)%
\(\frac{1000}{3}\)%
Correct answer
\(\frac{250}{3}\)%
A train 200 m long running, at a speed of 36 km/h, takes 55 seconds to cross a bridge completely. What is the length of the bridge?
300 m
375 m
350 m
320 m
Correct answer
300 m
Visitors to a show were charged Rs. 10 each on the first day, Rs. 5 on the second day and Rs. 2 on the third day and the total attendance on the three days was in the ratio 15 ∶ 2 ∶ 3. What is the average charge per person for the visitors to the show on the three days taken together?
Rs. 8.30
Rs. 6.80
Rs. 7.50
Rs. 20.00
Correct answer
Rs. 8.30
By selling 120 mangoes, a shopkeeper gains the selling price of 20 mangoes. Find his profit percentage.
20%
25%
10%
12%
Correct answer
20%
The average of a set of fifteen numbers is 12. If 7 is added to each of the numbers in the given set, then what will be the new average?
84
105
19
22
Correct answer
84
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.