Entry Test MCQ :: Numbers
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41. |
If (x+1) times (2x+1) is an odd integer then x must be: |
A. |
an odd integer |
B. |
an even integer |
C. |
a prime number |
D. |
a composite number |
E. |
a negative number |
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Answer: Option A
Explanation:
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42. |
If a < b and b < c then which of the following must be true? |
Answer: Option D
Explanation:
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43. |
How many of the numbers in the following list are NOT even numbers? 0.32 140/5 0.4444 0.34 -2.6 2/8 ?36 36/12 etc |
Answer: Option E
Explanation:
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44. |
A number is thrift if it is a multiple of 2 or 3. How many thrift numbers are there between -15 and 15? |
Answer: Option C
Explanation:
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45. |
If x and y are primes greater than 2 which of the following must be true? I- x+y is even II- xy is odd III-x2-y2 is even |
A. |
I only |
B. |
II only |
C. |
I and II only |
D. |
VI and III only I II and III |
Answer: Option E
Explanation:
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46. |
If |
A. |
I only |
B. |
II only |
C. |
I and II only |
D. |
I and III only |
E. |
I II and III |
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Answer: Option C
Explanation:
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47. |
What is the value of |
Answer: Option C
Explanation:
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48. |
Which of the following is equal to 96x95)20? |
Answer: Option D
Explanation:
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49. |
If 0 |
A. |
?a a a2 |
B. |
a2 a ?a |
C. |
a2 ?a a |
D. |
a a2 ?a |
E. |
a ?a a2 |
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Answer: Option B
Explanation:
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50. |
If 4080=x(80 40) what is the value of x? |
Answer: Option B
Explanation:
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