8th Standard Syllabus & Materials
8th Standard
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NEW8th Standard
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NEW8th Standard
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NEW8th Standard
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NEW8th Standard
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NEW8th Standard
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Published on: 13/05/2022
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Questions + Answers key
Take MCQ Maths Test1.
The cost price of 16 boxes of strawberries is equal to the selling price of 20 boxes of strawberries. Find the gain or loss percentage.
2.
A pre-owned car was bought for Rs. 240000. On repairs Rs.15000 was spent, Rs. 8500 was paid for its insurance. Then, it was sold for Rs. 258230. What is the gain or loss percentage?
3.
Ranjith bought a washing machine for Rs. 16150 and paid Rs. 1350 for its transportation. Then, he sold it for Rs. 19250. Find his gain or loss percentage.
4.
If the selling price of a LED TV is equal to \(\frac{5}{4}\) of its cost price, then find the gain / profit percentage.
1.
Let the C.P of one strawberry box be Rs. x.
Then C.P of 20 strawberry boxes = 20 x and
S.P of 20 strawberry boxes = C.P of 16 strawberry boxes = 16 x
Thus, S.P < C.P, hence there is a loss.
Loss = C.P –S.P = 20 x − 16 x = 4 x
∴ Loss % =\(\left( \frac { Loss }{ C.P } \times 100 \right) \)%
=\(\left( \frac { 4x }{ 20x } \times 100 \right) \)%
= 20 %
2.
Total C.P of the car
= C.P + Overhead Expenses
= 24000 + 15000 +8500
= Rs. 263500
S.P = Rs. 258230
As S.P < C.P , there is a loss.
∴ Loss % = \(\left( \frac { loss }{ C.P } \times 100 \right) %\)%
= \(\left( \frac { 263500-258230 }{ 263500 } \times 100 \right) %\)%
= \(\left( \frac { 5270 }{ 263500 } \times 100 \right) %\)%
= 2%
∴ Loss percentage = 2%
3.
Total C.P of the washing machine
= C.P + Overhead Expenses
= 16150 + 1350 = Rs. 17500
S.P = Rs. 19250
Therefore, we find S.P > C.P.
Gain % = \(\left( \frac { Gain }{ C.P } \times 100 \right) %\)% = \(\left( \frac { 19250-17500 }{ 17500 } \times 100 \right) %\)
=\(\frac { 1750 }{ 17500 } \times 100\) = 10%
4.
Let the C.P of the LED TV be rs x.
∴ S.P = \(\frac { 5 }{ 4 } \)x
Profit = S.P – C.P = \(\frac { 5 }{ 4 } \)x - x = \(\frac { x }{ 4 } \)
∴Profit % =\(\left( \frac { Profit }{ C.P } \times 100 \right) %\)
=\(\left( \frac { { x }/{ 4 } }{ x } \times 100 \right) %\)
=\(\left( \frac { 1 }{ 4 } \times 100 \right) %\) = 25%
8th Standard Syllabus & Materials
8th Standard
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Tamilnadu Stateboard 8th Standard Subjects
Tamilnadu Stateboard Standards
