1.

Which of the following are equal? 21 + 23 + 25 + 27 + 29 13 + 15 + 17 + 19 31 + 37 + 41 + 43 \[5\times 5\times 5\]

A.  Only (i) and (ii)          
B.  Only (ii) and (iii)
C.         Only (i) and (iii)  
D.          Only (i) and (iv)
Answer» E.


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