Quantitative Aptitude - Arithmetic Ability Questions

The initial ratio of sugar to flour in a dough was 2 : 7. To 9 kg of the dough John added more sugar to make the sugar to flour ratio 2 : 5. How much sugar did John later add?

The mean of the data 1, 1/2, 1/2, 3/4, 1/4, 2, 1/2, 1/4, 3/4 is

If x + y + z = 0, then what is the value of (3y2 + x2 + z2 )/(2y2 – xz)?

Find the LCM of 12, 16, 20 and 24.

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

What is the reflection of the point (6, -1) in the line y = 2?

If α and β are the roots of equation x2 – x + 1 = 0, then which equation will have roots α3 and β3?

A bag contains coins of denominations Rs.1, Rs.5 and Rs.10. Assuming there are equal number of Rs.1, Rs.5 and Rs.10, what will be the total number of coins in the bag be if the total money is Rs. 368?