If - means ÷, + means ×, ÷ means -, × means +, then which of the following equations is correct? 

8, 29, 113, 449, _?

Rajiv is moving towards the south. He turns twice to the left and then to the right. Now which direction is there in front of him?

If - stands for division, + for multiplication, ÷ for subtraction and × for addition, then which one of the following equations is correct? 

Six persons, L, M, N, P, Q and R, are sitting in a row facing towards the north (not necessarily in the same order). There are three persons between P and M. P is not at any of the ends. There are three persons between L and Q. N is to the left of R. L is at one of the ends. M is to the right of P.
How many person are sitting to the left of N?

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

Select the option that is related to the sixth number in the same way as the first number is related to the second number and the third number is related to the fourth number.

144 : 225 :: 169 : 256 :: ? : 361

Select the related word/ letters/ number from the given alternatives.
Smart : Clever :: Irrelevant : ?