Polaris Placement Papers - I
1. Which is the prime number? a. 119 b.115 c.127 d. none.
Ans: (c)
2. There are 30 balls , out of which 60% are green balls and the rest are blue balls. how many ways that we can pick the pair of blue balls?
a .21 b.2 c.12 . d none
Ans: (b)
3. How many 2 digit numbers , which is a square ,with last digit as 8?
Ans: 0
4. 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 ?
Ans: 3 ft 7.5 inches
5. Find the next number in the series 3,4,6,9,13,?
Ans: 18
6. 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
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
7. How many marbles that B has finally?
Ans: 2(3y-x-z)
8. If the total number of marbles are 72, then how many marbles A had initially?
a. 22 b. 20 c.36 d.39
Ans: (d)
9.If the cost price of an item is x rupees,it was sold out after the successive discounts of y% and z%. then what is the selling price of the item?
Cost price of an item is $50,the price has been increased to 108% ,and after some days it was sold out with the discount of 10%, then what is the sold price of the item?
Ans: $48.60
10.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: (b)
11. 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: (a)
12. 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: 5 hrs.
13. A ,B, and C ,went to do mean in a hotel, A has apid 50% more than the amount that B has paid. and c has paid 5/6 of that of A has paid. also B has paid $2 more than that os c has paid. then what is the total amount that all the three paid for their meal?
Ans: $ 30
Source: Naukri.com 
