Quantitative Aptitude for SSC CHSL: 15 March 2018

Quantitative Aptitude for SSC CHSL: 15 March 2018

1. A person lent a certain sum of money at 8% simple interest, and in 8 years the interest amounted to `612 less than the sum lent. Find the sum lent.

1) `1400           

2) `1500           

3) `1600           

4) `1700           

5) `1800

2. If the compound interest on a certain sum for 2 years at 15% is `193.50, what will be the simple interest at the same rate for the same period?

1) `150             

2) `160             

3) `180             

4) `172            

5) `175

3. The circumference of a circular park is 968m. The park is surrounded on the outside by a road 2.8 m wide. What is the area of the road?

1) 2640.12 sq m                      

2) 2735.04 sq m                     

3) 2831.6 sq m            

4) 2942 sq m   

5) None of these

4. From a group of five males and six females, in how many ways can four be chosen to include exactly one female?

1) 210              

2) 180              

3) 120              

4) 80                

5) 60

5. A bag contains 6 red, 7 blue and 8 green balls. Three balls are drawn randomly. What is the probability that the balls drawn contain exactly two blue balls?

1) ¹⁴⁷/₆₆₅                    

2) ⁵¹⁸/₆₆₅                    

3) ⁵⁴/₄₅₅                    

4) ⁴⁴/₄₅₅                     

5) ⁴⁰¹/₄₅₅

6. The sum of the ages of A, B and C at present is 85 years. 10 years ago the ratio of their ages was 1 : 3 : 7. The present age of C is what percentage of the present age of B?

1) 55.55%        

2) 80%             

3) 120%           

4) 180%           

5) 300%

7. 13 men and 12 women earn `11120 in 8 days. 9 men and 11 women earn `12840 in 12 days. In how many days will 8 men and 15 women earn `17400?

1) 12 days        

2) 13 days        

3) 14 days        

4) 15 days        

5) 16 days

8. Two pipes can separately fill a tank in 10 hours and 40 hours respectively. Both the pipes are opened together to fill the tank, but when the tank is half-filled a leakage develops, through which ¹/₂of the water supplied by both the pipes leaks out. What is the total time taken to fill the tank?

1) 8 hours        

2) 10 hours      

3) 12 hours      

4) 16 hours      

5) 18 hours

9. Two stations X and Y are 1040 km apart. A train starts from station X at 11 am, and moves towards Y at a speed of 40 kmh^-1, and the other train starts from Y at 1pm and moves towards X at a speed of 80 kmh^-1. At what time will both the trains meet?.

1) 7 pm            

2) 11 pm          

3) 8 pm            

4) 10 pm          

5) 9 pm

10. A square park is surrounded on the outside by a path 2m wide. If the area of the path is 184 sq m, then what will be the area of the park?

1) 400 sq m     

2) 441 sq m     

3) 484 sq m     

4) 529 sq m     

5) 576 sq m

Answers:

1. 4
2. 3
3. 2
4. 5
5. 1
6. 4
7. 4
8. 3
9. 5
10. 2