Directions: Find the wrong number in the following number series:

2, 6, 10, 19, 36, 69, 134

Directions: Find the wrong number in the following number series:

141, 156, 147, 162, 153, 165, 159

Directions: Find the wrong number in the following number series:

251, 252, 254, 227, 243, 118, 154

Directions: Find the wrong number in the following number series:

2, 3, 8, 31, 154, 924, 6460

Directions: Find the wrong number in the following number series:

4, 5.1, 7.3, 10.6, 15, 20, 27.1

Let x be the greatest number which when divides 955, 1027, 1075, the remainder in each case is the same. Which of the following is NOT a factor of x?

If $$x+{16\over x}=8$$, then the value of $$x^2+{32\over x^2}$$ is:

A divisor is 15 times the quotient and 3 times the remainder. If the remainder is 40, find the dividend.