Quantitative Aptitude - Arithmetic Ability Questions

The mean of marks secured by 35 students in division A of class X is 65, 45 students of division B is 61 and that of 70 students of division C is 59. What is the mean of marks of the students of three divisions of Class X?

If 2x+ 4(x - 3) < -2 - x < 2x - 1, then find the value of x.

A bank offers 5% compound interest per half year. A customer deposits Rs 4800 each on 1st January and 1st July of a year. At the end of the year, the amount he would have gained by way of interest?

In the following question, four number pairs are given. The number on left side of (–) is related to the number of 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.

Select the odd number from the given alternatives.

Akash's monthly income is Rs. 9600. His monthly expenditure is 60% of his income. What is his saving per month?

If the value of √42 is approximately 6.480, then what is the approximate value of √(6/7)?

What is the area (in sq cm) of an equilateral triangle of side 14 cm?