Quantitative Aptitude

Quantitative Aptitude

1.The sum of five consecutive even numbers is equal to 170. What is the sum of the second largest number and the square of the smallest number amongst them together?

(a) 940

(b) 932

(c) 936

(d) 934

2.If 50% of (x - y) = 20% of (x + y), then what percent of x is y?

(a) 250/7 %

(b) 300/7 %

(c) 150/7 %

(d) 42%

3.In a stream running at 2 kmph, a motorboat goes 6 km upstream and back again to the starting point in 33 minutes. Find the speed of the motorboat in still water.

(a) 22 km/hr

(b) 20 km/hr

(c) 25 km/hr

(d) 18 km/hr

4.In a school 70% of the students are girls. The number of boys are 510. Then the total number of students in the school is:

(a) 850 

(b) 1700

(c) 1830 

(d) 2000

5.A shopkeeper mixed two verities of rice at Rs. 20/kg and Rs. 30/kg in the ratio 2 : 3 and sell the mixture at 10% profit. Find the price per kg at which he sold the mixture? 

(a) Rs. 26

(b) Rs. 28.8

(c) Rs. 28

(d) Rs. 28.6

6.A tap can fill a tank in 6 hours. After half these tank is filled, three more similar taps are opened. What is the total time taken to fill the tank completely?

(a) 3 hours 15 min

(b) 3 hours 45 min

(c) 3 hours 40 min

(d) 3 hours 50 min

7.A merchant has 1000 kg of sugar part of which he sells at 8% profit and the rest at 18% profit. He gains 14% on the whole. The Quantity sold at 18% profit is

(a) 400

(b) 300

(c) 600

(d) 250

8.An order was placed for supply of carpet of breadth 3 meters, and the length of the carpet was 1.44 times of the breadth. Subsequently the breadth and the length were increased by 25 and 40 per cent respectively. At the rate of Rs 45  per square metre, what would be the increase in the cost of the carpet?

(a) Rs 1020.60

(b) Rs 398.80

(c) Rs 437.40

(d) Rs 583.20

9.Rs.460 was divided among 41, boys and girls such that each boy Rs.12 and each girl got Rs.8. What is the number of boys?

(a) 33

(b) 30

(c) 36

(d) 28

10.What will be the compound interest accrued on an amount of Rs 10,000 @20p.c.p.a. in two years if the interest is compounded half-yearly? 

(a) Rs 4,400

(b) Rs 4,600

(c) Rs 4,641

(d) Rs 4,680

ANSWER KEY:

1.(c)

2.(b)

3.(a)

4.(b)

5.(d)

6.(b)

7.(c)

8.(c)

9.(a)

10.(c)