Question

Dhanu jump 36 and 40 cm long while Gurjeet jump 20 CM less than less dhanu.tell how long Gurjeet jump
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Answer 1

I think of two answers.

1) If the 36 and 40 cms are added to make 76 cms and 20 is minused from that to get 56

In symbols 36 + 40 = 76 76 - 20 = 56

2) If Dhanu jumped on average of the two numbers the answer would be 18 cm