**Ratio and Proportion Lecture Number 7**

**Maths Classes for Competitive Exams**

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**Ratio and Proportion topic**for Competitive examination. We have already shared 6 lecture related to the Ratio and Proportion Maths Topic.**Those who miss out any of these any lecture can click on the following link to access all lectures of Maths: “ MathsPlaylist for Competitive Exams” .**

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which we shared below along with correct answers based on the Ratio and Proportion
Lecture Number:7.

**Watch Ratio and Proportion Lecture Number 7**

**PRACTICE QUESTIONS OF RATIO AND PROP – 7**

**1.)**Tom is chasing jerry. When tom jumps 7 times jerry jumps 8 times but 5 jumps of the tom is equal to the 6 jumps of the jerry. Find the ratio of the speed of Tom and Jerry.

**(Ans 21 : 20)**

**2.)**A hound pursues a hare and takes 5 leaps for every 6 leaps of the hare but 4 leaps of the hound are equal to 5 leaps of the hare. Compare the rates of hound and the hare?

**(Ans 25 : 24)**

**3.)**When 30% of one number is subtracted from another number the second number reduces to its four fifth. Find the ratio between the first and the second number respectively?

**(Ans 2 : 3)**

**4.)**What number should be subtracted from each of the numbers 54, 71, 75 and 99 so that the remainders may be proportional?

**(Ans 3)**

**5.)**Vinay got thrice as many marks in Maths as in English. The proportion of his marks in Maths and History is 4 : 3. If his total marks in Maths, English, and History are 250, what are his marks in English?

**(Ans 40)**

**6.)**Two whole numbers whose sum is 64 cannot be in the ratio of

a) 5 : 3

b) 7 : 1

c) 3 : 4

d) 9 : 7

**(Ans c)**

**7.)**The speed of the three cars is in ratio 3 : 4 : 5. Find the ratio between times taken by them to travel the same distance.

**(Ans 20:15:12)**

**8.)**Find the mean proportional of 3 - √2 and 12 + √32

**(Ans 2√7)**

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