Maths Practice Question and Answer

Q:

If a = 34, b = c = 33, then the value of a3 + b3 + c3 – 3abc is

604 0

  • 1
    0
    Correct
    Wrong
  • 2
    111
    Correct
    Wrong
  • 3
    50
    Correct
    Wrong
  • 4
    100
    Correct
    Wrong
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Answer : 4. "100"

Q:

Directions : Study the following bar graph and answer the questions.

company (in lakhs of rupees) for the years 1994-1997:

The difference of average gross profit and average net profit calculated for four years is

604 0

  • 1
    18.75 lakhs
    Correct
    Wrong
  • 2
    19.75 lakhs
    Correct
    Wrong
  • 3
    20.5 lakhs
    Correct
    Wrong
  • 4
    22.5 lakhs
    Correct
    Wrong
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Answer : 4. "22.5 lakhs "

Q:

Amit sold an article for ₹369.60 after allowing 12% discount on the marked price. Had he not allowed any discount he would have earned a profit of 20%. What is the cost price of the article?

604 0

  • 1
    ₹350
    Correct
    Wrong
  • 2
    ₹400
    Correct
    Wrong
  • 3
    ₹380
    Correct
    Wrong
  • 4
    ₹320
    Correct
    Wrong
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Answer : 1. "₹350"

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Answer : 2. "12 "

Q:

The base and altitude of a right angled triangle are 12 cm and 5 cm respectively. The perpendicular distance of its hypotenuse from the opposite vertex is

602 0

  • 1
    $$ 4{4\over 13} $$ cm
    Correct
    Wrong
  • 2
    $$ 4{8\over 13} $$ cm
    Correct
    Wrong
  • 3
    5 cm
    Correct
    Wrong
  • 4
    7 cm
    Correct
    Wrong
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Answer : 2. "$$ 4{8\over 13} $$ cm"

Q:

If△ABC ∼ △EDF such that AB = 6 cm, DF = 16 cm and DE = 8 cm, then the length of BC is:

602 0

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

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Answer : 2. "1.8 "

Q:

The marked price of one pen is '₹x'. The selling price of one packet of 'x' pens, after a discount of 15%, ₹1360. What is the value of 'x'?

600 1

  • 1
    20
    Correct
    Wrong
  • 2
    40
    Correct
    Wrong
  • 3
    30
    Correct
    Wrong
  • 4
    45
    Correct
    Wrong
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Answer : 2. "40"

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