Quantitative Aptitude - Arithmetic Ability Questions

The average marks of 10 students in an examination was 25. It was later found that the marks of one student had been wrongly entered as 34 instead of 43. What is the correct average?

Find the sum of first 8 odd prime numbers.

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?

P and Q undertook to do a work for Rs 7200. P alone could do it in 20 days and Q alone in 12 days. With the assistance of R they finished the work in 5days. What is the share (in Rs) of R?

What must be the length (in cm) of the diagonal of a rectangle if its area and breadth are 120 sq.cm and 8 cm respectively ?

What is the reflection of the point (1 , 2) in the line y = 3?

Select the odd letters from the given alternatives.

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