cil-2017 RQ10

Question

Answer 1

12 - 91 = -79

42 - 33 = 9

46 - 10 =36

25- - 43 = -18

Option (A) might be answer because B, C, D option are divisible by 9

Answer 2

just simply add the 2 digit numbers to get single digit

12(1+2=3)                   91(9+1=10)

42(4+2=6)                      33(3+3=6)

46(4+6=10(1+0=1))        10(1+0=1)

25(2+5 =7)                     43(4+3=7)

thats why ans should be A.

Answer 3

ans is 12-91 , except it , all difference are multiple of 9.

(91-12=79)

(42-33=9)

(46-10=36)

(43-25=18)