If 999x + 888y = 1332 and 888 x + 999y = 555.then the value of (x + y) is-

Direction : What value should come in the place of question mark (?) in the following questions?

$${210\over14}×{17\over15}×?=4096  $$

If (x¹¹+1) is divided by (x+1), then the remainder is :

The arithmetic mean of the following data is .

23, 17,20,19,21

The value of $$ { 32^{0.16}×32^{0.04}}$$ is:

The total number of integers between 100 and 200, which are divisible by both 9 and 6, is 

A man has eaten 100 grapes in 5 days. He eats 6 more grapes every day in comparison to the previous day. How many grapes did he eat on the first day?

If the fractions $$ {9\over11}$$, $$ {7\over9}$$, $$ {5\over6}$$ and $$ {11\over13}$$ are arranged in ascending order, which one will be the fourth?