Find the option that does not follow the same pattern as the others.

A sells his goods 50% cheaper than B but 50% more expensive than C. The cheapest is?

What number should come in place of the question mark (?) in the following number series?

4500 900 90 6 ? 0.012

Which of the following is a term in the given geometric series?

2/3, -1/2, 3/8, ................... ?

The price of an article is cut by 10%. To restore it to the former value, the new price must be increased by:

If a clock takes 7 seconds to strike the even hours, how long will it take to strike the 10th hour?

A cistern of capacity 8000 litres measures externally 3.3 m by 2.6 m by 1.1 m and its walls are 5 cm thick. The thickness of the bottom is:

If the price of gold increases by 50%, by what percentage must the quantity of ornaments be reduced to keep the expenditure the same as before?

A boat can travel at 13 km/hr in still water, and the speed of the stream is 4 km/hr. Find the time taken by the boat to go 68 km downstream.

A man can row three-quarters of a kilometre against the stream in 111/4) minutes and down the stream in 75 minutes. The speed (in km/hr) of the man in still water is: