Quantitative Aptitude - Arithmetic Ability Questions

A tower stands on the top of a building which is 40 metres high. The angle of depression of a point situated on the ground from the top and bottom of the tower are found to be 60 and 45 deg respectively. What is the height (in metres) of tower?

Select the odd word/letters/number/number pair from the given alternatives.

If the sum of the measures of all the interior angles of polygon is 2340°. What is the number of sides of the polygon?

P and Q are at a distance of 240 km from each other at 9:00 a.m. After 1 hour, P starts moving towards Q at a speed of 25 km/hr. At 11 a.m. Q startsmoving towards P at the speed of 18 km/hr. At what time (in p.m.) will they meet?

The addition of a rational number and its reciprocal is 61/30. Calculate the number.

The fraction from the ones listed below that will NOT lead to a recurring decimal is

What is that least number that must be added to the product 684 × 686 to make it a perfect square?

Between 200 and 400 how many numbers are divisible by 7?