Quantitative Aptitude - Arithmetic Ability Questions

Two trains are moving in the same direction at the speed of 42 km/hr and 84 km/hr, their lengths are 320 metres and 380 metres respectively. What is the time taken (in seconds) by faster train to cross the slower train?

The 4th and 7th term of an arithmetic progression are 11 and -4 respectively. What is the 15th term?

In the following question, four groups of three numbers are given. In each group the second and third number are related to the first number by a Logic/Rule/Relation.Three are similar on basis of same Logic/Rule/Relation. Select the odd one out from the given alternatives.

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

Choose the one which is different or odd from the following options?

What is the equation of the line which has 3/2 and -­4/7 as x and y intercept respectively?

What is the value of (cot45 - √2) ?

If (1 + sinA)/cosA + cosA/(1 + sinA) = x, then the value of x is