Verbal Reasoning - Mental Ability Questions

If "A" means "plus", "B" means "divide", "C" means "multiply" and "D" means "minus", then 187 B 17 C 4 A 7 D 17 = ?

Find the next in this series:
YC3, XF6, WI9, ........

When Anil saw Manish, he recalled "he is the son of the father of my wife". Who is Manish to Anil?

In the following question, select the related number from the given alternatives.
4 : 17 : : 7 : ?

If 8α9 = -72, -9α3 = 27 and -6α1 = 6, then find the value of -3α6 = ?

In a row of boys, Amit is ranked 12th from top and Ratan is 15th from bottom. They interchange their position. Ratan now becomes 37th from bottom. How many total boys are there in the row?

If C is coded 3 , DASH is coded as 32 , then DANCE will be coded as

Choose the related word/letters/number from the given alternatives. 19 : 6859 : : 21 : ?