Quantitative Aptitude - Arithmetic Ability Questions

An octahedron has 6 vertices. How many edges does it have?

What is the measure of the smaller of the two angles formed between the hour hand and the minute hand of a clock when it is 5:49 p.m.?

What is the value of (cos45° + 1/3) ?

Two men standing on same side of a pillar 75 metre high, observe the angles of elevation of the top of the pillar to be 30° and 60° respectively the distance between two men is

A kite is flying in the sky. The length of string between a point on the ground and kite is 420 m. The angle of elevation of string with the ground is 30 deg. Assuming that there is no slack in the string, then what is the height (in metres) of the kite?

What will be the net discount (in percentage) for two successive discounts of 30% and 20%?

If x+1x2 = 3, then the value of x3+1x3 is:

Simple interest on a sum for 5 years is equal to 20% of the principal. In how many years interest will be equal to the principal?