Quantitative Aptitude - Arithmetic Ability Questions

Sound travels at 330 metres per second. The distance (in kilometres) of a thunder cloud when its sound follows the flash after 10 seconds

A train is moving at the speed of 72 km/hr. How many seconds will it take to cover a distance of 1400 m ?

A sells a watch to B and makes a loss of 12%. B makes a profit of 12.5% by selling the watch to C. If A sells the watch to B at the cost of which C purchased it, then the percentage of loss or profit of A will be,

When a discount of 20% is given on a monthly train pass, the profit is 44%. If the discount is 29%, then the profit is _____.

A solid sphere of diameter 7 cm is cut into two equal halves. What will be the increase (in cm2) in the total surface area ?

24 men can repair a road in 50 days. If they are joined by 16 more men, then in how much time (in days) the road can be repaired?

The mean of 20 observations is 19. One more observation is included and the new mean becomes 20. The 21st observation is

At 15% discount the selling price of a microwave oven is Rs 34000, what is the selling price if the discount is 37.5%?