Quantitative Aptitude - Arithmetic Ability Questions

ABCD is a rectangle. P is a point on the side AB as shown in the given figure. If Dp = 13, CP = 10

A machine depreciates in value each year at the rate of 10% of its previous value. However, every second year there is some maintenance work so that in that particular year, depreciation is only 5% of its previous value. If at the end of the fourth year, the value of the machine stands at Rs 1,46,205, then find the value of machine at the start of the first year.

If x + (1/x) = 2, then what is the value of x64 + x121?

A car travels a certain distance at 70 km/h and comes back at 30 km/h. Find the average speed for total journey.

A can do a work in 36 days and B in 12 days. If they work on it together for 3 days, then what fraction of work is left?

Profit of Rs 1,03,500 has to be divided between three partners A, B and C in the ratio 11:7:5. How much amount (in Rs) does B get?

If (4a-3)2=0,then the value of 64a3+12a+13 is