Quantitative Aptitude

1. Two trains each 200 m long move towards each other on parallel lines with velocities 20 km/h and 30 km/h respectively. What is the time that elapses when they first meet until they have cleared each other?

(a) 20 s

(b) 24.8 s

(c) 28.8 s

(d) 30 s

2. ‘X’ completes a job in 2 days and ‘Y’ completes it in 3 days and ‘Z’ takes 4 days to complete it. If they work together and get Rs. 3,900/- for the job, then how much amount does ‘Y’ get?

(a) Rs, 1,800

(b) Rs. 1,200

(c) Rs. 900

(d) Rs. 800

3. A and B can do a piece of work in 8 days, B and C can do the same work in 12 days. If A, B and C can complete the same work in 6 days, in how many days can A and C complete the same work?

(a) 8 days

(b) 10 days

(c) 12 days

(d) 16 days

4. Water contains 14 2/7% of hydrogen and the rest is oxygen. In 350 g of water, oxygen will be:

(a) 300 g

(b) 250 g

(c) 200 g

(d) None of the above

5. The monthly incomes of A and B are in the ratio 4 : 3. Each of them saves Rs. 600/-. It the ratio of their expenditure is 3 : 2, then what is the monthly income of A?

(a) Rs. 2,400

(b) Rs. 1,800

(c) Rs. 2,000

(d) Rs. 3,600

6. Successive discounts of 12 1/2% and 7 1/2% are given on the marked price of a cupboard. If the customer pays Rs.2,590 then what is the marked price?

(a) Rs.3,108

(b) Rs. 3,148

(c) Rs. 3,200

(d) Rs. 3,600

7. A train started from a station with a certain number of passengers. At the first halt, 1/3 rd of its passengers got down and 120 passengers got in. At the second halt, half of the passengers got down and 100 persons got in. Then, the train left for its destination with 240 passengers. How many passengers were there in the train when it started?

(a) 540

(b) 480

(c) 360

(d) 240

8. In a cricket match, the first 5 batsmen of a team scored runs: 30, 40, 50, 30 and 40. If these data represent a four sided figure with 50 as its one of the diagonals, then what does second diagonal represent?

(a) 30 runs

(b) 40 runs

(c) 50 runs

(d) 70 runs

9. Shyam bought 2 articles for Rs. 5.50/- each and 3 articles for Rs. 3.50/- each, and 3 articles for Rs. 5.50/- each and 5 articles for Rs. 1.50/- each. The average price for one article is:

(a) Rs. 3

(b) Rs. 3.10

(c) Rs. 3.50

(d) Rs. 2

10. The cost of an apples is twice that of a banana and the cost of a banana is 25% less than that of a guava. If the cost of each type of fruit increase by 10%, then the percentage increase by 10%, then the percentage increase in cost of 4 bananas, 2 apples and 3 guavas is

(a) 10%

(b) 12%

(c) 16%

(d) 18%

Answers Key
1.(c)
2.(b)
3.(a)
4.(a)
5.(a)
6.(c)
7.(d)
8.(c)
9.(c)
10.(a)