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If n and p are both odd numbers, which of the following must be an even number?

1. A n + p
2. B n + p + 1
3. C np
4. D np + 2

The difference between √150 and √54 is--

1. A 16√6
2. B 2√6
3. C 6√2
4. D 9√6

The least number by which 294 must be multiplied to make it a perfect square, is:

1. A 2
2. B 24
3. C 3
4. D 6

If 2 < x < 4 and 3 < y < 7, what is the largest integer value of x + y?

1. A 10
2. B 7
3. C 8
4. D 9

If an integer y is subtracted from an integer x, and the result is greater than x, then y must be :

1. A Equal to x
2. B Greater than 0
3. C Less than 0
4. D Less than x

3, 9, 5, 11, 7, ...

1. A 10
2. B 13
3. C 15
4. D 9

The average of 7 consecutive number is 20. The largest of these number is:

1. A 20
2. B 22
3. C 23
4. D 24

If m is an even integer and n is an odd integer and both are positive numbers then which of the following must be even?

1. A m2 + n2
2. B m3 + n2
3. C mn + m2
4. D mn + n2

Find the next number of the series 7, 10, 14, 16, 21, 22, ---

1. A 20
2. B 22
3. C 26
4. D 28

A farmer had 20 hens. All but 2 died. How many hens are still alive?

1. A 10
2. B 15
3. C 18
4. D 2

The sum of two positive integers multiplied by the bigger number is 204, and their difference multiplied by the smaller number is 35. The numbers are:

1. A 12, 5
2. B 13, 4
3. C 14, 3
4. D 24, 10

The average of four consecutive odd positive integers is always--

1. A an even number
2. B an odd number
3. C Both a and c
4. D divisible by 4