Quantitative Aptitude - Arithmetic Ability Questions

The angle of elevation of the top of a hill at the foot of the tower is 60 deg and the angle of elevation of the top of the tower from the foot of the hill is 30 deg. If the tower is 50 m high, what is the height of the hill?

Find the missing digit if it has 11 and 13 as factors?

Find the volume (in cm3) of a cube of side 7.5 cm.

A right circular cylinder has height as 18 cm and radius as 7 cm. The cylinder is cut in three equal parts (by 2 cuts parallel to base). What is the percentage increase in total surface area?

If a+b+c=15 and 1a+1b+1c=71abc, then the a3+b3+c3-3abc is

A shopkeeper marks up his wares by 60% and offers 10% discount. What will be the selling price (in Rs) if the cost price is Rs 7500?

A tower is 50 meters high.Its shadow is x metres shorter when the sun's altitude is 45° than when it is 30° . The value of x in metres is

Find the odd word/letters/number from the given alternatives.