Ncert exemplar solutions mathematics class 7 Solutions for Chapter 7 comparing quantities

Exercises in Chapter 7 comparing quantities Grade 7

Comparing Quantities - Exercise

Questions in Comparing Quantities - Exercise

20% of 700 m is

(a) 560 m (b) 70 m (c) 210 m (d) 140 m

In the standard form of a rational number, the common factor of numerator and denominator is always:

(a) 0 (b) 1 (c) – 2 (d) 2

0.07 is equal to

(a) 70% (b) 7% (c) 0.7% (d) 0.07%

In a scout camp, 40% of the scouts were from Gujarat State and 20% of these were from Ahmedabad. The percentage of scouts in the camp from Ahmedabad is:

(a) 25 (b) 32.5 (c) 8 (d) 50

What percent of ₹ 4500 is ₹ 9000?

(a) 200 (b) ½ (c) 2 (d) 50

The ratio 3: 8 is equal to

(a) 3.75% (b) 37.5% (c) 0.375% (d) 267%

225% is equal to

(a) 9 : 4 (b) 4 : 9 (c) 3 : 2 (d) 2 : 3

A bicycle is purchased for ₹ 1800 and is sold at a profit of 12%. Its selling price is

(a) ₹ 1584 (b) ₹ 2016 (c) ₹ 1788 (d) ₹ 1812

A cricket bat was purchased for ₹ 800 and was sold for ₹ 1600. Then profit earned is

(a) 100% (b) 64% (c) 50% (d) 60%

A farmer bought a buffalo for ₹ 44000 and a cow for ₹ 18000. He sold the buffalo at a loss of 5% but made a profit of 10% on the cow. The net result of the transaction is

(a) loss of ₹ 200 (b) profit of ₹ 400

(c) loss of ₹ 400 (d) profit of ₹ 200

If Mohan’s income is 25% more than Raman’s income, then Raman’s income is less than Mohan’s income by

(a) 25% (b) 80% (c) 20% (d) 75%

The interest in ₹ 30000 for 3 years at the rate of 15% per annum is

(a) ₹ 4500 (b) ₹ 9000 (c) ₹ 18000 (d) ₹ 13500

Amount received on ₹ 3000 for 2 years at the rate of 11% per annum is

(a) ₹ 2340 (b) ₹ 3660 (c) ₹ 4320 (d) ₹ 3330

Interest on ₹ 12000 for 1 month at the rate of 10 % per annum is

(a) ₹ 1200 (b) ₹ 600 (c) ₹ 100 (d) ₹ 12100

Rajini and Mohini deposited ₹ 3000 and ₹ 4000 in a company at the rate of 10% per annum for 3 years and 2½ years respectively. The difference between the amounts received by them will be

(a) ₹ 100 (b) ₹ 1000

(c) ₹ 900 (d) ₹ 1100

If 90% of x is 315 km, then the value of x is

(a) 325 km (b) 350 km (c) 405 km (d) 340 km

On selling an article for ₹ 329, a dealer lost 6%. The cost price of the article is

(a) ₹ 310.37 (b) ₹ 348.74 (c) ₹ 335 (d) ₹ 350

(25% of 50% of 100%)/(25 × 50) is equal to

(a) 1.1% (b) 0.1% (c) 0.01% (d) 1%

The sum which will earn a simple interest of ₹ 126 in 2 years at 14% per annum is

(a) ₹ 394 (b) ₹ 395 (c) ₹ 450 (d) ₹ 540

The percent that represents the unshaded region in the figure

(a) 75% (b) 50% (c) 40% (d) 60%

The percent that represents the shaded region in the figure is

(a) 36% (b) 64% (c) 27% (d) 48%

2 : 3 = ________ %

18¾% = ______________: ________________

30% of ₹ 360 = ________.

120 % of 50 km = ________.

2.5 = ________%

(8/5) = _____________%

A _______ with its denominator 100 is called a percent.

15 kg is _______ % of 50 kg.

The weight of Nikhil increased from 60 kg to 66 kg. Then, the increase in weight is _______ %.

In a class of 50 students, 8 % were absent one day. The number of students present on that day was ________.

Savitri obtained 440 marks out of 500 in an examination. She secured _______ % marks in the examination.

Out of a total deposit of ₹ 1500 in her bank account, Abida withdrew 40% of the deposit. Now the balance in her account is ______.

________ is 50% more than 60.

John sells a bat for ₹ 75 and suffers a loss of ₹ 8. The cost price of the bat is____.

If the price of sugar is decreased by 20%, then the new price of 3kg sugar originally costing ₹ 120 will be __________

Mohini bought a cow for ₹ 9000 and sold it at a loss of ₹ 900. The selling price of the cow is ________.

Devangi buys a chair for ₹ 700 and sells it for ₹ 750. She earns a profit of ________ % in the transaction.

Sonal bought a bed sheet for ₹ 400 and sold it for ₹ 440. Her ________% is ________.

Nasim bought a pen for ₹ 60 and sold it for ₹ 54. His ________% is ________.

Aahuti purchased a house for ₹ 50,59,700 and spent ₹ 40300 on its repairs. To make a profit of 5%, she should sell the house for ₹ ________.

If 20 lemons are bought for ₹ 10 and sold at 5 for three rupees, then ________ in the transaction is ________%.

Narain bought 120 oranges at ₹ 4 each. He sold 60 % of the oranges at ₹ 5 each and the remaining at ₹ 3.50 each. His ________ is ________%.

A fruit seller purchased 20 kg of apples at ₹ 50 per kg. Out of these, 5% of the apples were found to be rotten. If he sells the remaining apples at ₹ 60 per kg, then his _________is _________%.

Interest on ₹ 3000 at 10% per annum for a period of 3 years is ________.

Amount obtained by depositing ₹ 20,000 at 8 % per annum for six months is ________.

Interest on ₹ 12500 at 18% per annum for a period of 2 years and 4 months is ________.

25 ml is _________ per cent of 5 litres.

If A is increased by 20%, it equals B. If B is decreased by 50%, it equals C. Then __________ % of A is equal to C.

Interest = (P × R × T)/100, where

T is ___________

R % is ____________and

P is _________.

The difference of interest for 2 years and 3 years on a sum of ₹ 2100 at 8% per annum is _________.

To convert a fraction into a percent, we _________ it by 100.

To convert a decimal into a percent, we shift the decimal point two places to the _________.

The _________ of interest on a sum of ₹ 2000 at the rate of 6% per annum for 1½ years and 2 years is ₹ 420.

When converted into percentage, the value of 6.5 is _________ than 100%.

(2/3) = 66(2)/(3)

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

8 hours is 50% of 4 days.

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

75% = (4/3)

12% of 120 is 100.

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

0.018 is equivalent to 8%.

50% of ₹ 50 is ₹ 25.

250 cm is 4% of 1 km.

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Chapters in this book

Integers

Fractions and Decimals

Data Handling

Simple Equations

Lines and Angles

Triangles

Comparing Quantities

Rational Numbers

Perimeter and Area

Algebraic Expressions

Exponents and Powers

Practical Geometry Symmetry and Visualising Solid Shapes