Quantitative Aptitude - Arithmetic Ability Questions

The least number that must be subtracted from 1294 so that the remainder when divided by 9, 11, 13 will leave in each case the same remainder 6 is:

If 1/2 is added to a number and the sum is multipled by 3, the result is 21. Then the number is

If Sec θ = 25/24 , then what is the value of Sin θ?

If x = 999, y = 1000, z = 1001, then the value of x3+y3+z3-3xyzx-y+z is

If the curved surface area of a right circular cone is 3080 sq cm and its slant height is 35 cm, find its total surface area?

Manish is four times as efficient as Puneet. Manish takes 90 days less than Puneet to complete a book. If both of them work together, then in how many days the book will be completed?

The ten's digit of a 2-digit number is greater than the units digit by 7. If we subtract 63 from the number, the new number obtained is a number formed by interchange of the digits. Find the number.

What is the value of (1/√2) Cot 45° + (1/√3) Cosec 60°?