Quantitative Aptitude

 Quantitative Aptitude

1. What is the largest number which divides 2274, 2061 and 1054 leaves 6, 3, and 4 as remainders respectively?

(a) 3 

(b) 6

(c) 14

(d) 42

2. If 1/4 th Kg of a substance costs Rs. 0.80, what will be the cost of 200 g of the same substance?

(a) 40 paise

(b) 100 paise

(c) 64 paise

(d) 60 paise

3. The bankers gain on a certain sum due 1(1/2) yr, hence is 3/25 of the banker’s discount. The rate per cent per annum is 

(a) 5 (1/5)% 

(b) 6 (1/6)%

(c) 8 (1/2)%

(d) 9( 1/11)%

4. The average of marks of 28 students in Mathematics was 50; 8 students left the school and then the average increased by 5. What is the average of marks obtained by the students who left the school?

(a) 37.5

(b) 42.5

(c) 45

(d) 50.5

5. If the sum of a few numbers is 450 and their mean is 50 and if another number 100 is included, the mean would become

(a) 55

(b) 60

(c) 75

(d) 150

6. A tradesman sold an article at a loss of 20%. If the selling price had been increased by Rs. 100, there would have been to gain of 5%. What was the cost price of the article?

(a) Rs. 400

(b) Rs. 500

(c) Rs. 600

(d) Rs. 300

7. Pure ghee costs Rs. 100 per kg. After adulterating it with vegetable oil costing Rs. 50 per kg, a shopkeeper sells the mixture at the rate of Rs. 96 per kg, thereby making a profit of 20%. In what ratio does he mix the two?

(a) 4 : 3

(b) 4 : 2

(c) 3 : 2

(d) 3 : 4

8. An ore contains 12% copper. How many kilogram of ore are required to get 69 kg of copper?

(a) 424 kg

(b) 575 kg

(c) 828 kg

(d) 1736 2/3 kg

9. In what ratio must rice at Rs. 8.60 per kg be mixed with rice at Rs. 11.40 per kg, so that the mixture be worth Rs. 10.20 per kg.

(a) 3 : 4

(b) 4 : 3

(c) 2 : 4

(d) 4 : 2

10. A fisherman can slow 2 km against the stream in 20 min and return in 15 min. What is the speed of the current?

(a) 1 km/h

(b) 6 km/h

(c) 10 km/h

(d) 2 km/h

Answers Key

1.(d)

2.(c)

3.(d)

4.(a)

5.(a)

6.(a)

7.(c)

8.(b)

9.(a)

10.(a)