Mental Maths Class 5 Knowing Our Numbers

Asked by NITARA SEBASTIAN · CARMEL ACADEMY CMI ICSE SCHOOL, CHALAKUDY

Multiply

111×122

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Answer: B. 13542

Split 122 into 100 + 20 + 2. 111 x 100 = 11100, 111 x 20 = 2220 and 111 x 2 = 222. Adding them: 11100 + 2220 + 222 = 13542.

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