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?

What is the value of sin (–π/3) + cos(–π/6)?

What is the equation of the line if its slope is ­2/5 and y-­intercept is 6?

A bag contain equal number of 1 rupee, 50 paisa and 25 paisa coins. If the total amount is Rs 105, then how many coins of each type are there?

 Out of two numbers, 65% of the smaller number is equal to 45% of the larger number. If the sum of the numbers is 2574, then what is the value of larger number? 

The HCF of 20, 28 and 48 is

The sum of a non-zero number and thrice its reciprocal is 52/7. Find the number.

If Sin4A - Cos4A = 1 then (A/2) in degrees is 0° < A ≤ 90°