Quantitative Aptitude - Arithmetic Ability Questions

A can do a work in 15 days and B in 20 days. If they work on it together for 6 days, then what fraction of work is left?

How many 3 ­digit numbers are completely divided by 4.

In a number system, on dividing 11509 by a certain number, Mukesh gets 71 as quotient and 7 as remainder. What is the divisor?

A man misses a train by 1 hour if he travels at a speed of 4 kmph. If he had increased his speed to 5 kmph, he would gave still missed the train by 24 minutes. At what speed should he have travelled so that he reached the station exactly on time?

PT is a tangent to a circle with centre O and radius 6 cm . If PT is 8 cm then length of OP is

Select the odd word/letters/number/number pair from the given alternatives.

Select the odd word/letters/number/number pair from the given alternatives.

The value of a machine depreciates at the rate of 20% per annum. If its present value is Rs 96000, then what was the value (in Rs) of the machine 2 years ago?