Simplification Ques 26
Question-
$[(3 \sqrt{8}+\sqrt{8}) \times(8 \sqrt{8}+7 \sqrt{8})]-$ $98=$ ?
(1) $3 \sqrt{8}$
(2) $7 \sqrt{8}$
(3) 382
(4) 475
(5) None of these
Show Answer
Correct Answer: (3)
Solution: (3)
$?=[(3 \sqrt{8})+\sqrt{8}] \times(8 \sqrt{8}+7 \sqrt{8})-98$
$=4 \sqrt{8} \times 15 \sqrt{8}-98=60 \times 8-98$
$=480-98=382$
BETA
