Quantitative Aptitude - Arithmetic Ability Questions

The simple interest on a certain sum of money at the rate of 5% per annum for 8 years is Rs. 840 . Rate of interest for which the same amount of interest can be received on the same sum after 5 years is

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

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

If cos -225° = x, then the value of x is

2sin[(C+D)/2].cos[(C­-D)/2] is equal to

The slope of the line passing through the points (7,-2) and (x,1) is -3/10. Find x.

The average height of A, B and C is 148 cm. If the average height of A and B is 136 cm and that of B and C is 125 cm, then what is the height (in cm) of B?

What is the average of first 19 odd numbers?