Number System Questions Practice Question and Answer

Q:

The sum of 10 terms of the arithmetic series is 390. If the third term of the series is 19. Find the first term

1401 0

  • 1
    3
    Correct
    Wrong
  • 2
    5
    Correct
    Wrong
  • 3
    7
    Correct
    Wrong
  • 4
    8
    Correct
    Wrong
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Answer : 1. "3"

Q: Smallest prime number greater than 200? 1797 0

  • 1
    201
    Correct
    Wrong
  • 2
    205
    Correct
    Wrong
  • 3
    211
    Correct
    Wrong
  • 4
    203
    Correct
    Wrong
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Answer : 3. "211"
Explanation :

Answer: C) 211 Explanation: From the trial and error method of division, 201 is divisible by 3 205 is divisible by 5 203 is divisible by 7   Hence, after eliminating three options, remained is 211 and is divisible by only 1 and itself.    Therefore, 211 is the smallest prime number greater than 200.

Q:

The greatest number less than 1500, which is divisible by both 16 and 18, is:

1248 0

  • 1
    1440
    Correct
    Wrong
  • 2
    1404
    Correct
    Wrong
  • 3
    1386
    Correct
    Wrong
  • 4
    1368
    Correct
    Wrong
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Answer : 1. "1440 "

Q: The difference between 4632 and 20000 is what number 2893 0

  • 1
    15368
    Correct
    Wrong
  • 2
    12652
    Correct
    Wrong
  • 3
    14562
    Correct
    Wrong
  • 4
    14965
    Correct
    Wrong
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Answer : 1. "15368"
Explanation :

Answer: A) 15368 Explanation: The difference between 4632 and 20000 is given by subtracting smaler number from the bigger number. Here the bigger number is 20000 Smaller number is 4632 Now, subtracting 4632 from 20000 20000 - 4632 = 15368 and the resut is an even number.   Hence, The difference between 4632 and 20000 is 15368 and is an even number.

Q:

if 3 times a number exceeds its 3/5 by 60, then the number is.

4017 0

  • 1
    25
    Correct
    Wrong
  • 2
    35
    Correct
    Wrong
  • 3
    45
    Correct
    Wrong
  • 4
    60
    Correct
    Wrong
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Answer : 1. "25"

Q:

A person gives 1/4  of his property to his daughter, 1/2  to his sons and 1/5 for charity. How much has he given away?

6708 1

  • 1
    1/20
    Correct
    Wrong
  • 2
    19/20
    Correct
    Wrong
  • 3
    1/10
    Correct
    Wrong
  • 4
    9/10
    Correct
    Wrong
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Answer : 2. "19/20"

Q:

If  is divided by 18, the remainder is:

1784 0

  • 1
    17
    Correct
    Wrong
  • 2
    16
    Correct
    Wrong
  • 3
    1
    Correct
    Wrong
  • 4
    2
    Correct
    Wrong
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Answer : 3. "1"

Q:

Direction : What should come in place of the question (?) in the following question.

8934 – 3257 + 481 = ? + 2578

1119 0

  • 1
    6158
    Correct
    Wrong
  • 2
    3580
    Correct
    Wrong
  • 3
    3040
    Correct
    Wrong
  • 4
    3400
    Correct
    Wrong
  • 5
    None of these
    Correct
    Wrong
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Answer : 2. "3580"

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