NIFT UG 2019 Question Paper with solutions

Question : 30 of 150

Marks: +1, -0

If the annual income of

A, B

and

C

is in the ratio 1: 3: 7 and the total annual income of

A

and

C

is ₹ 800000 , then the monthly salary of

B

(in ₹) is

Solution:

Let the annual income of

A, B

and

C

₹ x, ₹ 3 x

and

₹ 7 x,

respectively.
Then, according to the question,

x+7 x=800000

⇒ \;\; 8 x=800000

⇒ \;\; x=100000

∴ B

's monthly income

=\;{100000 × 3}/{12}

=₹ 25000

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