polaris aptitude questions

Polaris - 5 sample questions PSer#121


1. if the total number of marbles are 72, then how many marbles A had initially?

a. 22 b. 20 c.36 d.39 ( ans for this is :39 )

2. A is 8 km east of B B is 10 km north of C C s 13 km east of D E is 2 km north of D. then what is the shortest distance beteen A and E.?

a. 5km b. 6km .c.13km d.18km

3. How many 3 digit numbers are there in between 100 and 300 , having 1st and the last digit as 2.

a.9 b.10 . c. 11 d. 12 ( ans : 10)

4. If a=26, b=25, c=23...............z=1.then what is the value of z+y+x+...........+a=? a.351 b.531 c.335 d. 235 ( ans : 351)

5. Pipe A will fill the tank in 6hr and B in 4hr,if the pipes are opened alternatively, in which A is opened first,then how many hours it will take to fill the tank?

( ans: 5hr)



Polaris - 10 sample aptitude questions

1.If A,B,C are having x,y,z marbles initially, A has given the same number of marbles to both B & C ,as they have. next B has given the same number of marbles to both A and c as much they already have, Similarly C also given to A & B .then How many marbles that B has finally? ( ans: 2( 3y-x-z) )

2. which is the prime number? a. 119 b.115 c.127 d. none. ( ans :c)

3. If x is an odd integer, which of the following is even: ( ans:2(n+1). )

4. There are 30 balls , out of which 60% are green balls and the rest are blue balls. how many waysthat we can pick the pair of blue balls?
a .21 b.2 c.12 . d none( ans: 2 )

5. An officer is getting the salary of S rupees for H days of work, he has taken x days of medical leave , then what is his average salary per day?

6. How many 2 digit numbers , which is a square ,with last digit as 8?( answer for this is: 0)

7. One tank will fill in 6 min ar the rate of 3cu ft /min , length of tank is 4 ft and the width is 1/2 of length, what is the depth of the tank ? (answer for this is: 3 ft 7.5 inches)

8. Find the next number in the series 3,4,6,9,13,?( ans: 18)

9. which one is the least likely of the other? a. triangle b. sphere c.pyramid d. circle.

10. The straight distance between A and C IS 60 miles,the straight distance between A and B is 50 miles. the straight distance between B and C is 50 miles then what is the distance from B to the straight line of A AND C? ( ans: 40 miles)