Quantitative Aptitude - Arithmetic Ability Questions

It takes eight hours for a 600 km journey, if 120 km is done by train and the rest by car. It takes 20 minutes more, if 200 km is done by train and the rest by car. The ratio of the speed of the train to that of the car is:

If sinθ+ cosecθ=2, then the value of sin-7∅+cosec7∅ is

From a point on a bridge across the river, the angles of depression of the banks on opposite sides of the river are 30° and 45° respectively. If the bridge is at a height of 2.5m from the banks, then the width of the river is (take √3 = 1.732)

AB is a chord of the circle and its center is “O”. ON is perpendicular to AB. If the length of AB=20 cm, ON-(2√11) cm, find the radius (in cm) of the circle.

The difference between simple and compound interests compounded annually on a certain sum of money for 2 years at 12% per annum is Rs 72. What is the value of given sum (in Rs)?

How many numbers are there from 300 to 650 which are completely divisible by both 5 and 7?

Convert binary 10110 to decimal.

If a.sin 45°.cos 45°.tan60° = tan 245° ­ cos60° then find the value of a ?