Marked price of an item is Rs 900. On purchase of 2 items discount is 16%, on purchase of 5 items discount is 44%. Raksha buys 7 items, what is the effective discount?

If 2x- ­2(x ­- 2) < 5 ­- x > ­-2x + 2; then the value of x is

What is the value of cos2A/(1 + sinA)?

To cover a distance of 234 km in 1.6 hours what should be the average speed of the car in meters/second?

If √(sec2A ­ 1) = x, then the value of x is

Raghavendra sells a machine for Rs 43 lakhs at a loss. Had he sold it for Rs 52 lakh, his gain would have been 5 times the former loss. Find the cost price of the machine.

The point Q(a,b) is first reflected in y­-axis to Q1 and Q1 is reflected in x­axis to (­-5,3). The co­ordinates of point Q are

Among three numbers, the first is twice the second and thrice the third. If the average of three numbers is 396, then what is the difference between the first and the third number?