Quantitative Aptitude - Arithmetic Ability Questions

If 2cosAsinB = x, then the value of x is?

In the following question, four number pairs are given. The number on left side of (–) is related to the number on the right side of (–) with some Logic/Rule/Relation. Three are similar on basis of same Logic/Rule/Relation. Select the odd one out from the given alternatives.

In the following question, select the odd letters from the given alternatives.

A truck covers a distance of 550 metres in one minute where as a bus covers a distance of 33 km in 3/4 hours. Then the ratio of their speeds is :

If 493/29 = 17, then 4.93/0.0017 = ?

If two successive discounts of 50% and 10% are offered, then what is the net discount (in %)?

Three electronic devices make a beep after every 48 sec, 72 sec and 108 sec respectively. They beeped together at 10 a.m. The time when they will next make a beep together at the earliest is

The time for a train of length 110 metres running at the speed of 72 km/hr to cross a bridge of length 132 metres is