1.

If X = 1/(12 × 13) + 1/(13 × 14) + 1/(14 × 15) + …… + 1/(23 × 24) and Y = 1/(36 × 37) + 1/(37 × 38) + 1/(38 × 39) …… + 1/(71 × 72) then X/Y is equal to:

A. 172
B. 3
C. 13
D. 124
Answer» C. 13


Discussion

No Comment Found

Related MCQs