Number System Questions Practice Question and Answer

Q:

If P713 is divisible by 11, find the number P?

1389 0

  • 1
    5
    Correct
    Wrong
  • 2
    6
    Correct
    Wrong
  • 3
    7
    Correct
    Wrong
  • 4
    9
    Correct
    Wrong
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Answer : 4. "9"

Q:

How many even three-digit numbers can be formed from the digits 1 , 2 , 5 , 6 and 9 without repeating any of the digits? 

1380 0

  • 1
    40
    Correct
    Wrong
  • 2
    24
    Correct
    Wrong
  • 3
    120
    Correct
    Wrong
  • 4
    48
    Correct
    Wrong
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Answer : 2. "24 "

Q:

A number x when divided by 289 leaves 18 as the remainder. The same number when divided by 17 leaves y as a remainder. The value of y is 

1365 0

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

Q:

Which of the following has the fractions in descending order?

1353 0

  • 1
    $${5\over7},{9\over11},{7\over9},{3\over5}$$
    Correct
    Wrong
  • 2
    $${3\over5},{5\over7},{7\over9},{9\over11}$$
    Correct
    Wrong
  • 3
    $${9\over11},{7\over9},{5\over7},{3\over5}$$
    Correct
    Wrong
  • 4
    $${9\over11},{5\over7},{3\over5},{7\over9}$$
    Correct
    Wrong
  • 5
    None of these
    Correct
    Wrong
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Answer : 1. "$${5\over7},{9\over11},{7\over9},{3\over5}$$"

Q:

Find the least number exactly divisible by 12,15,20,27 ?

1346 0

  • 1
    450
    Correct
    Wrong
  • 2
    540
    Correct
    Wrong
  • 3
    230
    Correct
    Wrong
  • 4
    640
    Correct
    Wrong
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Answer : 2. "540"

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Answer : 4. "70,50 "

Q:

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

$${34×4-12×8\over \ {6^2}+{\sqrt{196}}+(11)^2}=?$$

1324 0

  • 1
    $${40\over121}$$
    Correct
    Wrong
  • 2
    $${36\over171}$$
    Correct
    Wrong
  • 3
    $${14\over171}$$
    Correct
    Wrong
  • 4
    $${22\over171}$$
    Correct
    Wrong
  • 5
    none of these
    Correct
    Wrong
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Answer : 5. "none of these"

Q:

A man engaged a servant on the condition that he would pay him Rs. 90 and a turban after service of one year. he served only for nine months and received the turban and an amount of Rs. 65. The price of turban is: 

1318 0

  • 1
    10
    Correct
    Wrong
  • 2
    2.50
    Correct
    Wrong
  • 3
    25
    Correct
    Wrong
  • 4
    18.75
    Correct
    Wrong
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Answer : 1. "10 "

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