Question

best video to learn circles chp class 9 ​

Answer 1

Answer:

which best video can u tell me

Step-by-step explanation:

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Answer 2

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Let Shobha's age be x and her mother's age be y

Given:

y=6x (1)

3(x+5)=y (2)

Substituting (1) in (2)

3(x+5)=6x

3x+15=6x

15=3x

x=5 (3)

Substituting (3) in (1)

y=6×5=30

Shobha's age is 5 years and her mother's age is 30 years.