Mental Maths Class 5 Integers

Asked by AKSHAY GURU VARADHARAJAN · SRI CHAITANYA TECHNO SCHOOL, JAYANTI NAGAR.

Jay likes to multiply by 3, Piyush likes to add 2 and Manik likes to subtract 1. In what order should they perform their favourite actions to convert 3 to 14 ?

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Answer: B. PJM

Try the order PJM: 3 + 2 = 5, then 5 x 3 = 15, then 15 - 1 = 14. The other orders fail, for example JPM gives 3 x 3 + 2 - 1 = 10.

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