Cathode rays when obstructed by metal cause emission of

If 34 # 56 = 42 and 89 # 76 = 144, then 67 # 89 = ?

Select the related number from the given alternatives:

11 : ? :: 10 : 1001

Select the combination of letters that when sequentially placed in the blanks of the given series will complete the series.

F S_ Y Z _ _ N _Z F _ _ Y Z

In each of the following questions, choose that set numbers from the four alternative sets, that is similar to the given set.

If 64 # 98 = 96 and 37 # 67 = 63, then 44 # 95 = ?

Select the related word/ letters/ number from the given alternatives.

PJQR : QKIJ :: RJDY : ?

Select the option that is related to the third term in the same way as the second term is related to the first term.

Bhubaneswar : Odisha :: Aizawl : ?