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Q.

Mohan's income is Rs 15500 per month. He saves 11%. of his income. If his income increases by 10%, then he reduces his savings by 1%, how much does he save now?


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a

Rs. 1705

b

Rs. 105

c

Rs. 175

d

Rs. 170 

answer is A.

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Detailed Solution

Given, Mohan's income is Rs 15500 per month. He saves 11%. of his income.
His income increases by 10%, then he reduces his savings by 1%
Salary before incrementing = Rs 15500.
Savings = 11% of 15500.
We know that a% of b = a100×b where a and b are real numbers.
⇒ Savings = 11100×15500
⇒ Savings = Rs. 1705
Salary after incrementing = 15500 + 10% of 15500.
⇒ Salary after incrementing = 15500+10100(15500)
⇒ Salary after incrementing = 15500 + 1550
⇒ Salary after incrementing = Rs. 17050
Saving after increment = 10% of 17050.
⇒ Saving after increment = 10100(17050)
⇒ Saving after increment = Rs. 1705
The new saving is Rs. 1705.
Hence, option 1 is correct.
 
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