Quantitative Aptitude - Arithmetic Ability Questions

If 3x + 4y – 2z + 9 = 17, 7x + 2y + 11z + 8 = 23 and 5x + 9y + 6z – 4 = 18, then what is the value of x + y + z – 34?

If x3+ 2x2– 5x + k is divisible by x + 1, then what is the value of k?

If Sin x = 4/5, then Cosec x + Cot x =

Simplify the equation 0.733+0.2730.732+0.272-0.73×0.27

If A is 6 times more than B, then by what percentage is B is less than A?

If A = 400 and B = 600, then A is how much percentage less than B?

One number is 25% of another number. The larger number is 12 more than the smaller. The large number is

The sum of money that will yield Rs. 60 as simple interest at 6% per annum in 5 years is