Quantitative Aptitude - Arithmetic Ability Questions

What is the sum of a3+b3+c3-3abc, when the value of a=4, b=2 and c=-6?

Ram travels 4/9th of the total journey by bus, 5/18th by rail and the remaining 10 km on foot. Find the distance of total journey.

The average weight of Shivshankar, Gopesh and Reena is 97 kg. If the average weight of Shivshankar and Gopesh is 93 kg and that of Gopesh and Reena is 82 kg, then the weight of Gopesh is

In 250 litres mixture of soda and water the ratio of amount of soda to that of water is 7 : 18. In order to make this ratio 2 : 3, how many more litres of soda should be added?

If 1/2 is added to a number and the sum is multipled by 3, the result is 21. Then the number is

Two successive discounts of 10% and 20% are equivalent to a single discount of

What is the value of (1/√2) Cot 45° + (1/√3) Cosec 60°?

Car B is running twice as fast as car A. If car A covers a distance of 90 km in 1 1/2 hrs, what is the speed of car B?