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RD Sharma Solutions Class 8 Mathematics Solutions for Profit Loss Discount and Value Added Tax Exercise 13.1 in Chapter 13 - Profit Loss Discount and Value Added Tax
Question 1 Profit Loss Discount and Value Added Tax Exercise 13.1
A student buys a pen for Rs 90 and sells it for Rs 100. Find his gain and gainpercent.
Answer:
We know that the cost price of pen = Rs 90
Selling price of pen = Rs 100
By using the formula,
Gain = selling price – cost price
= 100 – 90
= Rs 10
By using the formula,
Gain % = (gain/cost price) × 100
= (10/90) × 100
= 100/9
= 11 1/9 %
Video transcript
"hello students i am rita your master
tutor
and the today's question is a student
buys a pen
for rupees 90 and sales 8
for rupees 100 find his gain
and gain percent so in this question cp
is rupees
90 and sp is equal to rupees 100 so sp
is greater than cp so clearly it is a
case of
gain so gain is equal to rupees 100
minus 90 then we got rupees
10. now we have to find the gain percent
the formula of
gain percent is gain divided by
cp into 100 now we put the values here
10 divided by cp is 90 into
100 so cancel out 1 0
so we got 100 by 9
so this is our answer i hope you like
this video so please subscribe leto for
more updates and do comment your
questions thank you"
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