Quantitative Aptitude - Arithmetic Ability Questions

What approximate value should come in place of the question mark (?) in the following equation (Note: You are not expected to calculate the exact value)?(55.01+16.0003)×22.01÷10.998 =?

24 men can do a piece of work in 17 days.How many men will be able to do it in 51 days ?

The average marks of 40 students in an examination was 25. It was later found that the marks of one student had been wrongly entered as 73 instead of 37. What is the value of correct average?

For what sum will the simple interest at R% for 2 years will be R?

Three years ago, the average age of a family of 5 members was 17 years. A baby having been born, the average age of the family is the same today. The present age of the baby is

If p3 - q3 = (p - q) ( (p - q)2 + x p q ) then value of x is

What is the value of sin (B – C) cos (A – D) + sin (A – B) cos (C – D) + sin (C – A) cos (B – D)?

Simplify : 132 - 142 + 172 - 250 = ?