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Subject :IMO    Class : Class 5
Think a number .Multiply it by 10. Add 2. Multiply by 2. Subtract 4. Divide by 10. The result is 80. what is the number. A] 4 B] 40 C] 8 D] 5

Ans 1:

Class : Class 5
B] 40

Ans 2:

Class : Class 7
(B) 40

Ans 3:

Class : Class 6
B) 40.

Ans 4:

Class : Class 8
yes, it should be 40

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