Number System Questions Practice Question and Answer

Q:

If a 7-digit number 54p3987 is divisible by 11 , then p is equal to:

1327 0

  • 1
    4
    Correct
    Wrong
  • 2
    1
    Correct
    Wrong
  • 3
    9
    Correct
    Wrong
  • 4
    5
    Correct
    Wrong
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Answer : 4. "5"

Q:

What is the sum of all three-digit numbers which are divisible by 20?

1324 0

  • 1
    19400
    Correct
    Wrong
  • 2
    20500
    Correct
    Wrong
  • 3
    24300
    Correct
    Wrong
  • 4
    21800
    Correct
    Wrong
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Answer : 3. "24300"

Q:

$$ \sqrt{749}×0.56+14.38=?$$

1323 0

  • 1
    30
    Correct
    Wrong
  • 2
    42
    Correct
    Wrong
  • 3
    20
    Correct
    Wrong
  • 4
    35
    Correct
    Wrong
  • 5
    45
    Correct
    Wrong
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Answer : 1. "30"

Q:

Select the number triad that is analogous to the given triads.
 (64, 8, 65), (125, 27, 89)

1323 0

  • 1
    (100, 23, 90)
    Correct
    Wrong
  • 2
    (216, 1, 81)
    Correct
    Wrong
  • 3
    (49, 36, 25)
    Correct
    Wrong
  • 4
    (83, 24, 95)
    Correct
    Wrong
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Answer : 4. "(83, 24, 95)"

Q:

Direction : What value should come in place question mark(?) in the following questions?

$$2\over7$$ of $$ 5\over6$$ of ?=200

1322 0

  • 1
    480
    Correct
    Wrong
  • 2
    420
    Correct
    Wrong
  • 3
    729
    Correct
    Wrong
  • 4
    840
    Correct
    Wrong
  • 5
    None of these
    Correct
    Wrong
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Answer : 4. "840"

Q:

When the integer n is divided by 7, the remainder is 3. What is the remainder if 5n divided by 7?

1320 0

  • 1
    3
    Correct
    Wrong
  • 2
    0
    Correct
    Wrong
  • 3
    1
    Correct
    Wrong
  • 4
    2
    Correct
    Wrong
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Answer : 3. "1"

Q:

The value of $${3.157×4126×3.198\over63.972×2835.121}$$ is closest to : 

1319 0

  • 1
    0.2
    Correct
    Wrong
  • 2
    2
    Correct
    Wrong
  • 3
    0.002
    Correct
    Wrong
  • 4
    0.02
    Correct
    Wrong
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Answer : 1. "0.2 "

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