Aptitude : : Simplification Questions & Answers

  1. $ \dfrac{(469+174)^2 -(469-174)^2}{469\times 174} = ~? $

A. 4

B. 2

C. 295

D. 643

  1. If a + b + c = 13 and a2 + b2 + c2 = 69, then find the value of ab + bc + ca :

A. 10

B. 30

C. 50

D. 70

  1. If 3x + 7 = x2 + P = 7x + 5, what is the value of P?

A. $\dfrac{17}{2}$

B. $\dfrac{25}{3}$

C. $\dfrac{33}{4}$

D. $\dfrac{41}{4}$

  1. If x = 1 - q and y = 2q + 1, then for what value of q, x is equal to y?

A. 0

B. 1

C. -1

D. -2

  1. $ \dfrac{1}{2}$ of $\dfrac{3}{5}$ of $\dfrac{4}{9}$ of 5820 = ?

A. 766

B. 777

C. 776

D. 666