Simplification Practice Question and Answer

Q:

What is the value of y in the following equation?
(1÷23) of [2{3 + 4(35 + 7)}] = y

557 1

  • 1
    2
    Correct
    Wrong
  • 2
    5
    Correct
    Wrong
  • 3
    21
    Correct
    Wrong
  • 4
    23
    Correct
    Wrong
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Answer : 1. "2"

Q:

If $${b\over a}=0.7$$ find the value of $${a-b\over a+b}={11\over34}.$$

555 0

  • 1
    0.2
    Correct
    Wrong
  • 2
    1
    Correct
    Wrong
  • 3
    0.5
    Correct
    Wrong
  • 4
    0.3
    Correct
    Wrong
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Answer : 3. "0.5"

Q:

After interchanging the given two signs, what will be the value of the following expression?

× And ÷

20 + 5 ÷ 6 × 2 – 5

552 0

  • 1
    30
    Correct
    Wrong
  • 2
    35
    Correct
    Wrong
  • 3
    25
    Correct
    Wrong
  • 4
    40
    Correct
    Wrong
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Answer : 1. "30 "

Q:

What should come in place of the question mark (?) in the following mathematical statement?
$${{?^6÷16=108}}$$

551 0

  • 1
    10
    Correct
    Wrong
  • 2
    17
    Correct
    Wrong
  • 3
    12
    Correct
    Wrong
  • 4
    8
    Correct
    Wrong
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Answer : 3. "12"

Q:

? – 23 =(72 – 12 ) + ( 102 -17)

548 0

  • 1
    132
    Correct
    Wrong
  • 2
    126
    Correct
    Wrong
  • 3
    124
    Correct
    Wrong
  • 4
    128
    Correct
    Wrong
  • 5
    130
    Correct
    Wrong
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Answer : 4. "128"

Q:

If x = 222, y = 223 and z = 224, then find the value of x3+y3+z3-3xyz

544 0

  • 1
    2007
    Correct
    Wrong
  • 2
    2005
    Correct
    Wrong
  • 3
    2006
    Correct
    Wrong
  • 4
    2004
    Correct
    Wrong
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Answer : 1. "2007 "

Q:

then find

541 0

  • 1
    14
    Correct
    Wrong
  • 2
    5
    Correct
    Wrong
  • 3
    7
    Correct
    Wrong
  • 4
    15
    Correct
    Wrong
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Answer : 1. " 14 "

Q:

540 0

  • 1
    Correct
    Wrong
  • 2
    8
    Correct
    Wrong
  • 3
    Correct
    Wrong
  • 4
    4
    Correct
    Wrong
  • 5
    None of these
    Correct
    Wrong
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Answer : 4. "4"

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