Select the option that is related to the fourth term in the same way as the first term is related to the second term and the fifth

Select the option that is related to the fourth term in the same way as the first term is related to the second term and the fifth

Select the option that is related to the fourth term in the same way as the first term is related to the second term and the fifth term is related to the sixth term.

729 : 90 :: ? : 56 :: 512 : 72

A.            323

B.            343

C.            352

D.            335

Sol:

Pattern follows here is:

If (a : b) then b = x(x+1), a=x3

The required number is:

56 = ,7*8, ? = 73

Gkseries: Gkseries.com is a premier website to provide complete solution for online preparation of different competitive exams like UPSC, SBI PO, SBI clerical, PCS, IPS, IAS, IBPS PO, IBPS Clerical exam etc. & other graduate and post-graduate exams. Learn more on about us page