Reasoning: 13225 = 5*5*23*23
Required smallest number = 1
1 is the smallest number which should be multiplied with 13225 to make it a perfect square.
Ans: (C)
Question: Find the smallest number which should be multiplied with 13225 to make it a perfect square.
Options:
(A) 25
(B) 5
(C) 1
(D) 23
(E) 6

Reasoning: Circumference C is given by
C = 2r = 2*10 = 20 cm
Ans: (A)
Question: Calculate the circumference of a circular field whose radius is 10 centimeters.
Options:
(A) 20 cm
(B) 19 cm
(C) 28 cm
(D) 25 cm
(E) 30 cm

Reasoning: 73 is divisible by 1 and itself So, it is a prime number.
Ans: (D)
Question: Which one of the following is a prime number?
Options:
(A) 45
(B) 90
(C) 81
(D) 29
(E) 91

Reasoning: 1/7:1/7:1/14 = 2:2:1
1/5*5600 = 1120
2240-1120 = 1120
Ans: (C)
Question: Rs. 5600 is divided into three parts A, B and C. How much A is more than C if their ratio is 1/7:1/7:1/14?
Options:
(A) 300
(B) 992
(C) 1120
(D) 552
(E) 312