Quantitative Aptitude - Arithmetic Ability Questions

If a = 299, b = 298, c = 297 then the value of 2a3 + 2b3 + 2c3 - 6abc is

A shopkeeper purchased 510 eggs at the rate of Rs. 20 per dozen. 30 eggs were broken on the way. In order to make a gain of 20%, he must sell the remaining eggs at the rate of

A man travels 800 km in partly by rail and partly by steamer. He spends 7 hours more time on steamer. If the velocity of the steamer is 20 km/hr and the velocity of rail is 55 km/hr, how much distance does he cover by steamer?

What would be the smaller of the two angles formed by the hour hand and the minute hand at 4:52 p.m?

For x = 462+3, what is the value of x+22x-22+x+23x-23

What is the unit digit of 15+25+35+...+205 ?

Two cars travel from city A to city B at a speed of 36 and 48 km/hr respectively. If one car takes 3 hours lesser time than the other car for the journey, then the distance between City A and City B is

If 1/3(12x/5 - 1/2) + 6/5 = 7/6, then what is the value of x?