The ages of Sonal and Manoj …

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The ages of Sonal and Manoj are in the ratio 7 : 5 .ten years hence the ratio of their ages will be 9 : 7 find the present age

Posted by Kovid Gupta 5 years, 3 months ago

CBSE > Class 07 > Mathematics

3 answers

Free Fire Kartik2402L 5 years, 3 months ago

Mam apna ans nahi deya

0Thank You

Yogita Ingle 5 years, 3 months ago

Ratio of the present ages of Sonal and Manoj are 7:5
Let us assume, present age of Sonal is 7x years and present age of Manoj is 5x years, where x is the multiplier
10 years hence,
Sonal's age is 7x + 10 and Manoj's age is 5x + 10
Therefore, ratio of their age = 7x+10 : 5x+10
Given:
7x+10 : 5x+10 = 9:7
(7x+10) / (5x+10) = 9/7
7(7x+10) = 9 (5x+10)
49x + 70 = 45x + 90
4x = 20
x = 5
Therefore, present age of Sonal = 7x = 7 * 5 = 35 years
and present age of Manoj = 5x = 5 * 5 = 25 years

1Thank You

Tunga Ananya Sree 5 years, 3 months ago

7.5

1Thank You

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CBSE > Class 07 > Mathematics