Quantitative Aptitude - Arithmetic Ability Questions

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

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

Which of the numbers given below is NOT rational?

If a + b = 10 and ab- 13 = -ba - 11, then what is the value of 3ab + 4a2 + 5b2 ?

A train starts moving from a place X at 7:00 a.m. and arrives at another place Y at 1:00 p.m. on the same day. If the speed of the train is 15 m/s, then what will be the distance (in km) covered by the train?

The product of two numbers is 0.432. One of the numbers is 1.6. What is the other number?

Of the 3 numbers whose average is 72, the first is 2/7 times the sum of other 2. The first number is

If 1+y16-74, then the value of 5y-15