1.

In the following question there is a specific relation between first and second term. The same relationship exists between third and the fourth term. Considering the same relationship choose the correct alternative that will replace the question mark. 11529 : 72135 ::152943 : ? (A) 213549 (B) 223649 (C) 224194 (D) 215049

Answer»

(A) 213549

The sum of the digits of the no. in each pair is the same 1 + 1 + 5 + 2 + 9 = 10, 7 + 2 + 1 + 3 + 5 = 18 

Similarly, 1 + 5 + 2 + 9 + 4 + 3 = 24 , 2 +1 + 3 + 5 + 4 + 9 =  24



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