Mathematics for Class 7>Chapter 9 - Ratio and Proportion>OBJECTIVE TYPE QUESTIONS>Q 14

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IMPORTANT

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The mean proportional of $a$ and $b$ is $10$ and the value of $a$ is four times the value of $b$ . The value of $a + b (a > 0, b > 0)$ is

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Important Questions on Ratio and Proportion

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IMPORTANT

Mathematics for Class 7>Chapter 9 - Ratio and Proportion>OBJECTIVE TYPE QUESTIONS>Q 15

If

8 : x : : 16 : 35,

then

x =

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IMPORTANT

Mathematics for Class 7>Chapter 9 - Ratio and Proportion>OBJECTIVE TYPE QUESTIONS>Q 16

The mean proportional of

6

and

24

is

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IMPORTANT

Mathematics for Class 7>Chapter 9 - Ratio and Proportion>OBJECTIVE TYPE QUESTIONS>Q 17

The boys and girls in a school are in the ratio

9 : 5 .

If the number of girls is

320,

then the total strength of the school is

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IMPORTANT

Mathematics for Class 7>Chapter 9 - Ratio and Proportion>OBJECTIVE TYPE QUESTIONS>Q 18

If the first three terms of a proportion are

3, 5

and

21

respectively, then its fourth term is

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Mathematics for Class 7>Chapter 9 - Ratio and Proportion>OBJECTIVE TYPE QUESTIONS>Q 19

What must be added to each term of the ratio

9 : 16

to make the ratio

2 : 3

?

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Mathematics for Class 7>Chapter 9 - Ratio and Proportion>OBJECTIVE TYPE QUESTIONS>Q 20

What least number is to be subtracted from each term of the ratio

15 : 19

to make the ratio

3 : 4

?

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Mathematics for Class 7>Chapter 9 - Ratio and Proportion>OBJECTIVE TYPE QUESTIONS>Q 21

If

₹ 840

is divided between

P

and

Q

in the ratio

3 : 4

, then

P' s

share is

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IMPORTANT

Mathematics for Class 7>Chapter 9 - Ratio and Proportion>OBJECTIVE TYPE QUESTIONS>Q 22

The ages of Ravish and Shikha are in the ratio

3 : 8

. Six years hence, their ages will be in the ratio

4 : 9

. The present age of Ravish is