Quantitative Aptitude - Arithmetic Ability Questions

In triangle ABC, AD, BE and CF are the medians intersecting at point G and area of triangle ABC is 156 sq.cm. What is the area (in sq.cm) of triangle FGE?

Three clocks are designed to alarm in every hour, two hours and three hours respectively. If they all alrmed together three hours before, then after how many hours will they next alarm together?

What is the area (in sq cm) of a rectangle if its diagonal is 26 cm and one of its sides is 10 cm?

If sinC + sinD =X, then the value of X is?

Select the odd number from the given alternatives.

The angles of elevation of top and bottom of a flag kept on a flag post from 30 metres distance, are 45 and 30 deg respectively. Height of the flag is [taking √3 = 1.732]

Ramu can row 9 kmph in still water. It takes him twice as long to row up as to row down. Find the rate of stream.

What is the value of sin 75°+ sin 15°?