Question

Raman’s monthly salary is Rs. 16,500/-. He saves rupees 1/3 of his salary for five months. For
the next seven months he saves rupees 1/4 of his salary.
21) How much money did he save during first five months?

Answer 1

Answer:

Step-by-step explanation:

S

n

=16500,n=10,d=100

S

n

=

2

n

[2a+(n−1)d]

∴16500=

2

10

[2a+(10−1)100]

16500=5[2a+900]

16500=10a+4500

10a=12000

∴a=1200

Hence he saves Rs. 1200 in first year.

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