Reflection of the point (­2,5) in the x­ axis is

If a + b = 9 and a2+ b2= 61, then ab is

3 hrs after a goods train passed a station, another train travelling at a speed of 88 km/hr following that goods train passed through that station. If after passing the station the train overtakes the goods train in 8 hours. What is the speed of the goods train?

If cos 240° = x, then value of x is

A shopkeeper, sold dried apricots at the rate Rs 1,310 a kg and bears a loss of 13%. Now if he decides to sell it at Rs 1,441 per kg, what will be the result?

A sum fetched a total simple interest of Rs. 9648 at the rate of 12% per year in 6 years. What is the sum?

Simplify (b2x 3a2z4 ) × (b2x 4a4z3 )/(a3b2z4 )

If 3x ­- 2(4 ­- 3x) < 2x ­- 5 < 3x + 3; then the value of x is