Quant mock test-4 for Govt. exams(15 qns) 10min Ans by 30-jun-16

Solution

1.The surface area of a cube is 726 m².Its volume is:a. 1300 m³ b. 1331 m³ c. 1452 m³   d. 1542 m³
 

2. A metal sheet 27 cm long 8 cm broad and 1 cm thick is melted into a cube. The difference between  the surface areas of two solids is :   a. 284 cm²       b. 286 cm²    c. 296 cm²   d. 300 cm²
 

3. The radius of a circular cylinder is the same as that of a sphere. Their volumes are equal. The height of the cylinder is :
  a.4/3times its radius   b. 2/3 times its radius c. equal to radius d. equal to its diameter

 
4. Ravi started cycling along the boundaries of a square field from corner point A.  After half an hour, he reached the corner point C, diagonally opposite to A. If his speed was 8 km/hr. what is the area of the field in square km ?
a. 64   b. 8   c. 4   d. Cannot be determined
 

5. If a boy takes as much time in running 10 m as a car takes in covering 25 m, the distance covered by the boy during the time the car covers 1 km. is :  a. 400 m  b. 40  m  c. 250 m  d. 650 m
 

6. Two trains start at the same time from Vijayawada and Madras and proceed towards each other at 16 km/hr and 21 km/hr respectively. When they meet, it is found that one train has travelled 60 km more than the other. The distance between the two stations is : a. 445 km  b. 444 km  c. 440 km  d. 450 km

7. P, Q, R run around a circular track 1200 m long with speed of 9, 18, 27 kmph.  If they start at the same point and at the same time in the same direction, when will they meet again at the starting point?
a. 360 sec  b. 480 sec  c. 240 sec       d. None
 

8. The difference between the interests received from two different banks on Rs.500 for 2 years, is Rs.2.50.The difference between their rates is :  

a. 1%   b. 0.5%  c. 2.5%  d. 0.25% 

9. A loan was repaid in two annual instalments of Rs.112 each. If the rate of interest be 10% per annum compounded annually, the sum borrowed was : 

 a. Rs.200  b. Rs.210  c. Rs.217.80  d. Rs.280
 

10. What is the principal amount which earns Rs.132 as compound interest for the second year at 10% per annum ?
a. Rs.1000  b. Rs.1200  c. Rs.1320  d. None of these

11. The greatest number by which if 1657 and 2037 are divided the remainders will be 6 and 5 respectively is

a. 127    b. 235   c. 260   d. 305

 
12.  Jayant started a business, investing Rs.6000. Six months later Madhu joined him, investing Rs.4000. If they made a profit of Rs.5200 at the end of the year, how much be the share of Madhu ?
a. Rs.2080  b. Rs.1300  c. Rs.1800  d. Rs.2600
 
13. 5% Income of A is equal to 15% Income of B and 10% Income of B is equal to 20% Income of C.  If income of C is Rs.2000, then total income of A, B and C is :
a. Rs.6000  b. Rs.18000  c. Rs.20000  d. Rs.14000
 
14. Two pipes P and Q can fill a tank in 6 hrs. and 4 hrs. respectively.  If they are opened on alternate hours and if pipe P is opened first, in how many hours, the tank shall be full ? 
a) 4   b) 5  c) 4.5   d) 6.5
 
15. A train crosses a platform 100 metres long in 60 seconds at a speed of 45 km per hour.  The time taken by the train to cross an electric pole is :
a. 8 seconds  b. 1 minute  c. 52 seconds  d. Date inadequate.