Quantitative Aptitude - Arithmetic Ability Questions

How many three digit numbers are there in which all the digits are odd?

A train crossed a 140 m long platform in 15 seconds and a 180 m long platform in 17 seconds. The speed of the train was

A man goes to a place on bicycle at speed of 16 km/hr and comes back at lower speed . If the average speed is 6.4 km/hr in total , then the return speed (in km/hr) is

The length of diagonal BD of a parallelogram ABCD is 36 cm. P and Q are the centroids of triangle ABC and triangle ADC respectively. What is the length (in cm) of PQ?

The average weight of P, Q and R is 47 kg. If the average weight of P and Q be 32.5 kg and that of Q and R be 48.5 kg, then what is the weight of Q (in kgs)?

Find the difference between place value and face value of 7 in 589573212.

An article was sold for Rs. 2,400 at a discount of 20%. Find the selling price, if the discount was 25%.

If 3a+4b3c+4d = 3a-4b3c-4d, then