Simplification Ques 20
Question-
$14 \%$ of $80+? \%$ of $90=31.9$
(1) 16
(2) 23
(3) 18
(4) 26
(5) None of these
Show Answer
Correct Answer: (2)
Solution: (2)
$\frac{80 \times 14}{100}+\frac{90 \times ?}{100}=31.9$
$\Rightarrow 1120+90 \times ?=31.9 \times 100$ $=3190$
$\Rightarrow 90 \times ?=3190-1120=2070$
$\therefore$ ? $=\frac{2070}{90}=23$
BETA
