Maths Practice Question and Answer

Q:

A, B and C together invests ₹53,000 in a business. A invests ₹5,000 more than B and B ₹invests 6,000 more than C. Out of a total profit of ₹31,800, find the share of A.

957 0

  • 1
    ₹12,800
    Correct
    Wrong
  • 2
    ₹12,500
    Correct
    Wrong
  • 3
    ₹13,500
    Correct
    Wrong
  • 4
    ₹13,800
    Correct
    Wrong
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Answer : 4. "₹13,800"

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Answer : 2. "Any of them"

Q:

If a=25, b=15 , c=-10 then find the value of $$ {a^{3}+b^{3}+c^{3}-3abc\over {(a-b)^{2}+(b-c)^{2} +(c-a)^{2}}}$$

957 0

  • 1
    30
    Correct
    Wrong
  • 2
    -15
    Correct
    Wrong
  • 3
    -30
    Correct
    Wrong
  • 4
    15
    Correct
    Wrong
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Answer : 4. "15"

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Answer : 4. "2345"

Q:

The equivalent single discount for two successive discounts of 15% and 10% is

957 0

  • 1
    23.5%
    Correct
    Wrong
  • 2
    20.5%
    Correct
    Wrong
  • 3
    25%
    Correct
    Wrong
  • 4
    20%
    Correct
    Wrong
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Answer : 1. "23.5% "
Explanation :

Q:

The sum of money that will yield Rs. 60 as simple interest at the rate of 6% per annum in 5 years is-

956 0

  • 1
    200
    Correct
    Wrong
  • 2
    225
    Correct
    Wrong
  • 3
    175
    Correct
    Wrong
  • 4
    300
    Correct
    Wrong
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Answer : 1. "200 "
Explanation :

Q:

The length of diagonal of a square is $${15\sqrt { 2}}$$cm. Its area is

956 0

  • 1
    $$112.5 cm^2$$
    Correct
    Wrong
  • 2
    $$450 cm^2$$
    Correct
    Wrong
  • 3
    $${225\sqrt { 2}\over 2}cm^2$$
    Correct
    Wrong
  • 4
    $$225 cm^2$$
    Correct
    Wrong
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Answer : 4. "$$225 cm^2$$"

Q:

If the purchase price of an article is equal to 80 percent of its selling price then there will be profit.

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  • 1
    20%
    Correct
    Wrong
  • 2
    $$ {22}{1\over2}\%$$
    Correct
    Wrong
  • 3
    24 %
    Correct
    Wrong
  • 4
    25 %
    Correct
    Wrong
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Answer : 4. "25 %"

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