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Question

40 kg of wheat flour is needed for a family of 4 members. How many kgs of the same will be required if the number of members increases by 10.


Correct Answer
A
140 kg
Your Answer
B
120 kg
Your Answer
C
160 kg
Your Answer
D
100 kg

Solution

The correct option is A 140 kg
Given, 4 members require = 40 kg of wheat flour
Since, number of members increases by 10
So number of members in the family now = 4 + 10 = 14
Let, 14 members require d kg of wheat flour

Writing in Proportion form, we have 
4 : 40 :: 14 : d

Product of means = Product of extremes
40 × 14 = 4 × d
d = 40×144
d = 140

So, 14 members will require 140 kg of wheat flour.

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