Simplification Ques 34
Question-
$83^{27.3} \div 83^{1.4} \times 83^{46.8}=83^{31.9+}$ ?
(1) 64.1
(2) 41.9
(3) 40.8
(4) 39.1
(5) None of these
(IBPS RRBs Officer Assistant
CWE Exam, 09.09.2012)
Show Answer
Correct Answer: (3)
Solution: (3)
$(83)^{27.3} \div(83)^{1.4} \times(83)^{46.8}$ $=(83)^{31.9+\text { ? }}$
$\Rightarrow(83)^{27.3-1.4+46.8}=(83)^{31.9+\text { ? }}$
$\Rightarrow(83)^{72.7}=(83)^{31.9+}$ ?
$\Rightarrow$ ? $+31.9=72.7$
$\Rightarrow ?=72.7-31.9=40.8$
BETA
