Quantitative Aptitude - Arithmetic Ability Questions

The volume of a cube is 166.375 cm3. Find its side (in cm).

The average of 9 observations was found to be 35. Later on, it was detected that an observation 81 was misread as 18. The correct average of the observations is

In a class of 50 students there are 27 boys. The average weight of these boys is 72 Kg and average weight of the full class is 55.44 kgs. What is the average weight (in kgs) of the girls of the class?

ax + 3y = 6 has slope -2/3. What is the value of a?

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

A sum of Rs 6000 becomes Rs 7200 in 2 years, when invested in a scheme of simple interest. If the same sum is invested in a scheme of compound interest with same yearly interest rate (compounding of interest is done yearly), then what will be the amount (in Rs) after 3 years?

Three numbers are in the ratio of 3:5:10 and their LCM is 630. Find their HCF.

If a+b=5 then the value of a-37+b-27 is