NCERT Exemplar Solutions
Class 7 - Mathematics - Unit 7: Comparing Quantities
True or False

In questions 60 to 79, state whether the statements are True or False.

Question. 60

\(\dfrac{2}{3} = 66\dfrac{2}{3}\%\).

Answer:

true

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Question. 61

When an improper fraction is converted into percentage then the answer can also be less than 100.

Answer:

false

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Question. 62

8 hours is 50% of 4 days.

Answer:

false

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Question. 63

The interest on ₹ 350 at 5% per annum for 73 days is ₹ 35.

Answer:

false

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Question. 64

The simple interest on a sum of ₹ P for T years at R% per annum is given by the formula: \(\dfrac{T \times P \times R}{100}\).

Answer:

true

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Question. 65

75% = \(\dfrac{4}{3}\).

Answer:

false

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Question. 66

12% of 120 is 100.

Answer:

false

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Question. 67

If Ankita obtains 336 marks out of 600, then percentage of marks obtained by her is 33.6.

Answer:

false

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Question. 68

0.018 is equivalent to 8%.

Answer:

false

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Question. 69

50% of ₹ 50 is ₹ 25.

Answer:

true

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Question. 70

250 cm is 4% of 1 km.

Answer:

false

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Question. 71

Out of 600 students of a school, 126 go for a picnic. The percentage of students that did not go for the picnic is 75.

Answer:

false

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Question. 72

By selling a book for ₹ 50, a shopkeeper suffers a loss of 10%. The cost price of the book is ₹ 60.

Answer:

false

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Question. 73

If a chair is bought for ₹ 2000 and is sold at a gain of 10%, then selling price of the chair is ₹ 2010.

Answer:

false

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Question. 74

If a bicycle was bought for ₹ 650 and sold for ₹ 585, then percentage of profit is 10.

Answer:

false

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Question. 75

Sushma sold her watch for ₹ 3320 at a gain of ₹ 320. For earning a gain of 10% she should have sold the watch for ₹ 3300.

Answer:

true

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Question. 76

Interest on ₹ 1200 for 1 1/2 years at the rate of 15% per annum is ₹ 180.

Answer:

false

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Question. 77

Amount received after depositing ₹ 800 for a period of 3 years at the rate of 12% per annum is ₹ 896.

Answer:

false

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Question. 78

₹ 6400 were lent to Feroz and Rashmi at 15% per annum for 3 1/2 and 5 years respectively. The difference in the interest paid by them is ₹ 150.

Answer:

false

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Question. 79

A vendor purchased 720 lemons at ₹ 120 per hundred. 10% of the lemons were found rotten which he sold at ₹ 50 per hundred. If he sells the remaining lemons at ₹ 125 per hundred, then his profit will be 16%.

Answer:

false

Open

NCERT Exemplar Solutions Class 7 – Mathematics – Unit 7: Comparing Quantities – True or False | Detailed Answers