(Sample Material) India Post Payments Bank (IPPB) Study Kit "Numerical Ability - Simplification"
Sample Materials of India Post Payments Bank (IPPB) Study Kit
Subject: Numerical Ability
Topic: Simplification
1. Given that 9/2x + 3y = 21 and 1/2x – 8y = 4. Find the value of 12x – 12y.
(1) 12
(2) 30
(3) 25
(4) 60
(5) None of these
2. Let A = (x + 1)/(x – 1) and B = (x – 1)/(x + 1). Determine the value of A – B.
(1) 0
(2) x/(x2 –1)
(3) 4x/(x2 – 1)
(4) 2
(5) None of these
3. If the numerator of a fraction is double and the denominator is increased by 3, the new fraction is 3/5. What is the original fraction, if its denominator is more than twice the numerator by 1?
(1) 3/7
(2) 6/13
(3) 1/3
(4) 5/11
(5) None of these
4. For what value of x, 8 + (x – 3)2 have the least value?
(1) – 3
(2) 0
(3) 3
(4) 5
5. 3.7 (10)7 is equal to
(1) 370000
(2) 3700000
(3) 37000000
(4) 370000000
(5) None of these
