Quantitative Aptitude - Arithmetic Ability Questions

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

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?

Atul and Binay together complete a piece of work in 5 days. If Binay alone can complete the same work in 8 days, how many days Atul take to complete the same work alone?

In the series 5442673314884743581,the number of 4s that are completely divisible by the number on their right but not divisible by the number on their left is

The product of two decimals is 0.768. If one of the decimal number is 1.6, find the other.

Which of the following condition is sufficient to state that triangle ABC and DEF are similar?

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

What is the value of sec 4π/3?