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Subject :IMO    Class : Class 3

If 21 + 22 + 23 + 24 + 25 is equal to 115, which of the following has the same value as 31 + 32 + 33 + 34 + 35?

(A) 115 + 5

(B) 115 + 25

(C) 115 + 30

(D) 115 + 50

Ans 1:

Class : Class 4
D

Ans 2:

Class : Class 3
D

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