Directions: What value should come in the place of (?) in the following questions.
Q. ? % of (75 × 4 – 150) = 420 + 752
A. 4280
B. 4520
C. 4030
D. 5060
E. None of these
Sol:
x % of (75 × 4 – 150) = 420 + 752
(x/100)*(300 – 150) = 420 + 5625
(x/100)*150 = 6045
3x/2 = 6045
x = 6045*(2/3) = 4030
