Verbal Reasoning - Mental Ability Questions

If 324⊕289 = 35, 441⊕484 = 43, then 625⊕400 = ?

What comes next in the series?

B, D, H, N, ?

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

Honest : Truthful : : Obdurate : ?

Select the related word/letters/numbers from the given alternatives:

4 : 12 :: 5 : ?

Which of the following terms follows the trend of the given list?

AAAAAAA, BAAAAAA, BBAAAAA, BBBAAAA, BBBBAAA, _______________

Select the related letters from the given alternatives.

CAE : XZV :: JHL : ?

In the following question, select the missing number from the given series.

57, 54, 48, 39, ?, 12

Flower : Bud :: Plant : ?