Practice Question and Answer

Q:

By mistake instead of dividing Rs.117 among A,B and C in the ration $${1\over2}:{1\over3}:{1\over4} $$. it was divided in the ratio of 2:3:4. Who gains the most and by how much?

1444 0

  • 1
    A, 28
    Correct
    Wrong
  • 2
    B, 3
    Correct
    Wrong
  • 3
    C, 20
    Correct
    Wrong
  • 4
    C, 25
    Correct
    Wrong
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Answer : 4. "C, 25"

Q:

The ratio of two numbers is 3:8 and their difference is 115. The smaller of the two numbers is:

1803 0

  • 1
    184
    Correct
    Wrong
  • 2
    194
    Correct
    Wrong
  • 3
    69
    Correct
    Wrong
  • 4
    59
    Correct
    Wrong
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Answer : 3. "69"

Q:

The length of two chords AB and AC of a circle are 8 cm and 6 cm and ∠BAC=90º, then the radius of circle is

1634 0

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

Q:

In a regular polygon, the exterior and interior angles are in the ration 1:4.The number of sides of the polygon is

1352 0

  • 1
    5
    Correct
    Wrong
  • 2
    10
    Correct
    Wrong
  • 3
    3
    Correct
    Wrong
  • 4
    8
    Correct
    Wrong
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Answer : 2. "10"

Q:

The greatest value of $$ Sin^{4}θ+Cos^{4}θ $$ is:

2095 0

  • 1
    2
    Correct
    Wrong
  • 2
    3
    Correct
    Wrong
  • 3
    $${1\over2}$$
    Correct
    Wrong
  • 4
    1
    Correct
    Wrong
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Answer : 4. "1"

Q:

A house and a shop were sold for Rs. 1 lakh each, In this transaction, the house sale resulted into 20 % loss whereas the shop sale into 20 % profit. The entire transaction resulted in:

6109 0

  • 1
    no loss no gain
    Correct
    Wrong
  • 2
    gain of Rs. $$ {1\over24}$$
    Correct
    Wrong
  • 3
    loss of Rs.$$ {1\over12}$$ lakh
    Correct
    Wrong
  • 4
    loss of$$ {1\over18}$$ lakh
    Correct
    Wrong
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Answer : 3. "loss of Rs.$$ {1\over12}$$ lakh "

Q:

If 3 toys are sold at the cost price of 4 toys of the same kind, the profit will be:

1943 0

  • 1
    25%
    Correct
    Wrong
  • 2
    $$ 33{1\over3}\%$$
    Correct
    Wrong
  • 3
    $$ 66{1\over3}\%$$
    Correct
    Wrong
  • 4
    50%
    Correct
    Wrong
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Answer : 2. "$$ 33{1\over3}\%$$ "

Q:

The HCF and LCM of two numbers are 12 and 336 respectively. If one of the number is 84, the other is

1517 0

  • 1
    36
    Correct
    Wrong
  • 2
    48
    Correct
    Wrong
  • 3
    72
    Correct
    Wrong
  • 4
    96
    Correct
    Wrong
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Answer : 2. "48"

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