Quantitative Aptitude - Arithmetic Ability Questions

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

The variance of a set of data is 121. Then the standard deviation of the data is

The angle of elevation of the top of a tower, vertically erected in the middle of a paddy field, from two points on a horizontal line through the foot of the tower are given to be α and β (α>β). The height of the tower is h unit. A possible distance (in the same unit) between the points is

The 3rd and 6th term of an arithmetic progression are 13 and -5 respectively. What is the 11th term?

Present age of R and S are in the ratio of 3 : 2 respectively. If the present age of H is 117 years and R’s present age is 4/13 of H’s present age, then after how many years the ages of R and S would be in the ratio of 15 : 11?

The interest earned on Rs. 3675 at the rate of 4% simple interest per annum for 2 years will be

The compound interest on Rs. 64,000 for 3 years, compounded annually at 7.5% p.a. is Rs. 64,000

Complete the number series by choosing the missing terms from the options. 32, 64, 256, 1536, ? ,122880,1474560