Quantitative Aptitude - Arithmetic Ability Questions

If 170% of a number added to 66, then the result becomes equal to twice of the number. What is the number?

The average marks of 45 students is shown as 65. It includes a wrong entry of 84 marks instead of 48 marks. The correct average is:

Curved surface area of a cylinder is 528 sq cm. If circumference of its base is 44 cm, find the height of the cylinder?

10 people can build a wall in 12 days. Six people, each only half as efficient as those in the first group, will be able to complete 3/5 of such a wall in

The 5th and 9th term of an arithmetic progression are 7 and 13 respectively. What is the 15th term?

What least value which should be added to 1812 to make it divisible by 7, 11 and 14?

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

If p/q = r/s = t/u = √5, then what is the value of [(3p2 + 4r2 + 5t2)/(3q2 + 4s2 + 5u2)]?