Quantitative Aptitude - Arithmetic Ability Questions

4 men can build a small house in 12 days. How long would it take for 6 men to build the same house?

If ABCD is a Cyclic Quadrilateral, then the value of Cos2A - Cos2B - Cos2C + Cos2D is

A person purchased 10 shirts costing Rs 150 per shirt. Next day  he again purchased the shirts costing Rs 150 per shirt at a discount of Rs 30 per shirt and that day he spent a toal of Rs 1800. What is the average cost per shirt (in Rs)?

Two trains are moving in opposite directions with the same speed. If the length of each train is 120 metres and they cross each other in 12 seconds, then what is the speed (in km/hr) of each train?

In the following question, select the odd word pair from the given alternatives.

Which one does not belong to the group?

The 3rd and 7th term of an arithmetic progression are -9 and 11 respectively. What is the 15th term?

The angle subtended by the chord of length 10 cm is 120° at the centre. Calculate the distance of the chord (in cm) from the centre.