Q. The sum and product of two integers are 26 and 165 respectively. The difference between these two integers is
(A) 2
(B) 3
(C) 4
(D) 6
Ans: 4
Solution:
From prime factorisation of
165 = 3 × 5 × 11
165 = 15 × 11
So t he t wo number s whose sum i s 26 and multiplication is 165 is 15 and 11
Now, difference = 15 – 11 = 4