Value of 7.4 x 6.6 is :

If 3/4 of a number is 45, then the number is :

Biggest among the following is :

If 200% of a number is 160. Then 150% of that number is :

If x:y =2:3 then 5 (x-y) is :

A watch is brought when there was a special discount of 10% by paying Rs.810. Then the actual cost of the watch is :