Complete the following series.
BY, GT, LO, ?, VE

If 15 (196) 29 and 16 (100) 6, then what is the value of ' A ' in 31 ( A ) 48 ?

In the following question, select the number which can be placed at the sign of question mark (?) from the given alternatives.

Arrange the following words in the order of the dictionary-
1. Chemistry
2. Chamber
3. Cheap
4. Cheerful

If 16 Δ 4= 64 and 216 @ 8=27 and what is the value of 8 Δ 5@ 4 =?

If 25 @ 12 @4=296 and 15@6@3=87, then what is the value of 20@8@7=?

Select the option that is related to the third number in the same way as the second number is related to first number.
19 :400 :: 24 :___

Directions: In each of the following questions, four words have been given, out of which three are alike in some manner and the for one is different. Choose out the odd one.