If x and y are negative, then which of the following statements is /are always true I.x + y is positive II.xy is positive III. x-y is positive

1.  I only

2.  II only

3.  III only

4.  I and III only

4

II only

Explanation :
No Explanation available for this question

If -1 ≤ x ≤ 2 and 1 ≤ y ≤ 3, then least possible value of (2y-3x) is:

1.  0

2.  -3

3.  -4

4.  -5

4

-4

Explanation :
No Explanation available for this question

If a and b are both odd numbers, which of the following is an even number

1.  a + b

2.  a + b + 1

3.  ab

4.  ab + 2

4

a + b

Explanation :
No Explanation available for this question

Which of the following is always odd

1.  Sum of two odd numbers

2.  Difference of two odd numbers

3.  Product of two odd numbers

4.  None of these

4

Product of two odd numbers

Explanation :
No Explanation available for this question

For the integer n, if n3 is odd, then which of the following statements are true I. n is odd II.n2 is odd III.n2 is even

1.  I only

2.  II only

3.  I and II only

4.  I and III only

4

I and II only

Explanation :
No Explanation available for this question

The least prime number is:

1.  0

2.  1

3.  2

4.  3

4

2

Explanation :
No Explanation available for this question

360 x 17 =

1.  5120

2.  5320

3.  6120

4.  6130

4

6120

Explanation :
No Explanation available for this question

What number should replace y in this multiplication problem 3 y 4 x 4 = 1216

1.  0

2.  2

3.  4

4.  5

4

0

Explanation :
No Explanation available for this question

What is the total number of prime numbers less than 70

1.  17

2.  18

3.  19

4.  20

4

19

Explanation :
No Explanation available for this question

The total number of even prime numbers is:

1.  0

2.  1

3.  2

4.  None of these

4