Quantitative Aptitude - Arithmetic Ability Questions

A sum fetched a total simple interest of Rs. 8100 at the rate of 6% per year in 9 years. What is the sum?

P and Q are at a distance of 240 km from each other at 9:00 a.m. After 1 hour, P starts moving towards Q at a speed of 25 km/hr. At 11 a.m. Q startsmoving towards P at the speed of 18 km/hr. At what time (in p.m.) will they meet?

A and B can together do a piece of work in 6 days and A alone can do it in 9 days. The number of days B will take to do it alone is

Bipul is 16 years younger than Saibal. 12 years hence, Saibal's age will be 1.5 times that of Bipul. Saibal is now ___ years old.

If 2+aa + 2+bb + 2+cc = 4, then the value of ab+bc+caabc is

If 3x -­ 7 = 5x ­- 1, then the numerical value of (x ­- 4)2 is 

Arrange them in ascending order 64, 33 and 43

The equation of a line is given by 4y-6x+9=0. Find the slope of other line which is perpendicular to it.