Question

30%of 140 =x%of 840 then x is

Answer 1

30 % of 140 = x % of 840

=> 30*140 / 100 = 840x/100

=> 3 * 14 = 84x/10

=> 42 = 84x/10

=> x = 42 * 10 / 84

=> x = 10 /2

=> x = 5

Answer 2

IF 30% OF 140 = X% OF 840

THEN 42= 42
ACCORDING TO QUESTION
THEN X% =42÷840×100
=5 %


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