If 18 ( 9 ) 3 and 36 ( 30 ) 5 , then what is the value of A in 19 ( A ) 18 .

In the following question, select the number which can be placed at the sign of question mark (?) from the given alternatives.
2460, 3570, 4680, ?

Choose the odd pair group in following options?

Choose the odd pair group in the following options?

There are 45 trees in a row. The lemon tree is 20^th from right end. What is the rank of lemon tree from left end?

X is poorer than w, but not as poor as B. C is not as poor as x. Who is the poorest of all? 

If in a certain code, LUTE is written as MUTE and FATE is written as GATE, then how will BLUE be written in that code?

Rohan’s ranked seventh from the top and twenty-sixth from the bottom in a class. How many students are there in the class?