Mathematical Operation questions Practice Question and Answer

Q:

Which two signs should be interchanged to make the given equation correct?
20+5×3÷3-1=14

1031 0

  • 1
    × and +
    Correct
    Wrong
  • 2
    ÷ and ×
    Correct
    Wrong
  • 3
    ÷ and +
    Correct
    Wrong
  • 4
    × and -
    Correct
    Wrong
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Answer : 3. "÷ and +"

Q:

If - means ×, × mean000000s +, + means ÷ and ÷ means -, then
4 × 4 + 16 - 16 ÷ 30 = ?

1210 1

  • 1
    -18
    Correct
    Wrong
  • 2
    -22
    Correct
    Wrong
  • 3
    -16
    Correct
    Wrong
  • 4
    -23
    Correct
    Wrong
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Answer : 2. "-22 "

Q:

What will be the difference between the first digit of the highest number as well as of the lowest number after the positions of the first two digits in each number of the following series 738, 429, 156, 273, 894 are reversed?

722 0

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

Q:

A tree increases annually by 1/8th of its height. By how much will it increase after 2 years, if it stands today 64cm high?

586 0

  • 1
    81 cm
    Correct
    Wrong
  • 2
    75cm
    Correct
    Wrong
  • 3
    74 cm
    Correct
    Wrong
  • 4
    72 cm
    Correct
    Wrong
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Answer : 1. " 81 cm "

Q:

Which of the following interchanges in signs will make the given equation correct?

17- 15 x 5 = 250

655 0

  • 1
    = and x
    Correct
    Wrong
  • 2
    + and -
    Correct
    Wrong
  • 3
    = and -
    Correct
    Wrong
  • 4
    x and -
    Correct
    Wrong
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Answer : 4. "x and -"

Q:

If ‘+’ means ‘divided by’ ‘-’ means ‘add’, ‘×’ means ‘minus’ and ‘/’ means ‘multiplied by’, what will be the value of the following expression?
[{(5 × 10) - (16/4)} + (15 - 9)]/0

611 0

  • 1
    120
    Correct
    Wrong
  • 2
    30
    Correct
    Wrong
  • 3
    108
    Correct
    Wrong
  • 4
    0
    Correct
    Wrong
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Answer : 4. "0"

Q:

If 49 @ 13 # 26= 98 and 57 # 13@ 247=3 then find the value of 46@23#3=?

841 0

  • 1
    6
    Correct
    Wrong
  • 2
    8
    Correct
    Wrong
  • 3
    12
    Correct
    Wrong
  • 4
    26
    Correct
    Wrong
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Answer : 1. "6"

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