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Pritesh Shankar

· started a discussion

· 1 Months ago

simplification and approximation (Question: 89873.2 )

600/50*400/80/200/30
Sir how did the answer come as 420 in this question?

Question:
DIRECTIONS: what approximate value should come in place of question mark (?) in each of the following questions?
\(\cfrac{601}{49}×\cfrac{399}{81} ÷\cfrac{29}{201}=?\)
Options:
A) 520
B) 360
C) 460
D) 500
E)

420

Solution:

Knowledge Expert

· commented

· 1 Months ago

600/50 * 400/80 * 200/30

=(6*40*200)/120 = (6*40*20)/12 = 20*20 = 400

so approximate answer = 420
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