Mental Maths Class 5 Knowing Our Numbers

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

Simplify: 18 of [59 - {7 x 8 + (26 - 3 of 5)}]

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A -188
B +144
C -144
D None of these

Show answer and explanation

Answer: C. -144

To get the answer, follow these steps:
Solve (26 - 3 of 5): 26 - 15 = 11.
Solve {7 x 8 + 11}: 56 + 11 = 67.
Solve [59 - 67]: -8.
Final calculation: 18 x -8 = -144.
The correct answer is C. -144.

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Simplify: 18 of [59 - {7 x 8 + (26 - 3 of 5)}]

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