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Binny spends Rs.a daily and saves Rs.b per week. Then her incomes for two weeks among the following choices is:

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14 a + 7 b

14 a + 2 b

2 a − 2 b

2 a − 2 b

answer is B.

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Detailed Solution

Given that, Binny spends Rs.a daily and saves Rs.b per week.
We have to find the incomes for 2 weeks.

T o t a l Income = Total expense + total save

Binny spends Rs.a daily Binny saves Rs.

b

per week.
As 2 weeks means 14 days, Binny's total spend per

2

week is

14 a

.
Binny's save per

2

week is

2 b

.
For every

2

week, the total income is

14 a + 2 b

.
Hence, the total income is

14 a + 2 b

.
Hence, option 2) is correct.

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