বর্গমূল -

 1. What least number must be added to 8275 to make the sum a perfect square ?

WBCS-2019

(A) 4       (B) 8       (C) 5      (D) 6

2. What least number must subtracted from 732 to make the remainder a perfect square ?

WBCS-2019 

(A) 3      (B) 4      (C) 5      (D)  6

3. By what number must 192 be multiplied, so that the product may be a perfect square ?

WBCS-2019

(A) 5      (B) 4      (C) 3      (D) 2

4.By what least number must 1260 be divided to make the quotient a perfect square ?

WBCS-2019

(A) 35       (B) 30       (C) 40      (D) 45

5.The boys of a school can be arranged in 15, 18 or 24 equal rows and also into a solid square. Find the least number of boys in the school.

WBCS-2019

(A) 3800      (B) 4000      (C) 3600      (D) 1000

6. What is the least value of n if 194480+ n = m ⁴  where m and n are natural numbers?

CDS-2022

(a) 1
(c) 3
(b) 2
(d) 4

7.If squaring a positive real number x is

same as adding 12, then what is x equal to?

CDS -2022

(a) 2

(c) 4

(b) 3

(d) 5