Question

If 7a=3b=10 , then 84ab=?​

Answer 1

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Answer 2

Answer:

7 a = 3 b = 10

On equating 7 a and 3 b with 10 we get,

7 a = 10

a = 10 / 7

3 b = 10

b = 10 / 3

84 a b = ?

To find it, we will substitute the values of a and b

84 * 10 / 7 * 10 / 3 = 400

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