Maths Practice Question and Answer

Q:

What will be the area (cm2) of the curved surface of an elliptical cylinder whose height and diameter are 10 cm and 8 cm respectively?

1437 0

  • 1
    20 π
    Correct
    Wrong
  • 2
    80 π
    Correct
    Wrong
  • 3
    160 π
    Correct
    Wrong
  • 4
    40 π
    Correct
    Wrong
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Answer : 2. "80 π"

Q:

What will be the area of thé trapezium formed by x - axis , y - axis , and lines 3x + 12 , 6x + 8y = 60 ? 

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  • 1
    37.5 sq . units
    Correct
    Wrong
  • 2
    31.5 sq . units
    Correct
    Wrong
  • 3
    48 sq . units
    Correct
    Wrong
  • 4
    36.5 sq . units
    Correct
    Wrong
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Answer : 2. "31.5 sq . units "

Q:

R, S and T started a business by investing Rs. 25000, Rs. 15000 and Rs.30000 respectively. If the total profit earned is Rs. 58800 and it is decided that one-third of the profit will be divided into their investment ratio and rest of the amount will be invested in another work, then what is the share of T?

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  • 1
    4200
    Correct
    Wrong
  • 2
    8000
    Correct
    Wrong
  • 3
    7400
    Correct
    Wrong
  • 4
    8400
    Correct
    Wrong
  • 5
    None of these
    Correct
    Wrong
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Answer : 4. "8400"

Q:

A does 2/5 of a work in 9 days. Then B joined him and they together completed the remaining work in 6 days. B alone can finish the whole work in

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  • 1
    12/13 days
    Correct
    Wrong
  • 2
    2/11 days
    Correct
    Wrong
  • 3
    10 days
    Correct
    Wrong
  • 4
    18 days
    Correct
    Wrong
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Answer : 4. "18 days"

Q:

A, B and three men can finish a work in 10, 20 and 15 days respectively, then in how many days will all three together finish the work?

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  • 1
    7/28
    Correct
    Wrong
  • 2
    60/16
    Correct
    Wrong
  • 3
    13/60
    Correct
    Wrong
  • 4
    19/60
    Correct
    Wrong
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Answer : 3. "13/60"

Q:

A boat goes 10kms an hour in still water, but takes twice as much time in going the same distance against the current. The speed of the current (in km/hr) is 

1436 0

  • 1
    3 km/hr
    Correct
    Wrong
  • 2
    5 km/hr
    Correct
    Wrong
  • 3
    2 km/hr
    Correct
    Wrong
  • 4
    4 km/hr
    Correct
    Wrong
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Answer : 2. "5 km/hr"

Q:

If x – y + z = 15, xyz = -216 and xz – xy – yz = 18, then the value of $$ {x^3}-{y^3}+{z^3}=$$

1435 0

  • 1
    2613
    Correct
    Wrong
  • 2
    2813
    Correct
    Wrong
  • 3
    3013
    Correct
    Wrong
  • 4
    3213
    Correct
    Wrong
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Answer : 4. "3213"

Q:

Kirti decided to spend 45% of her monthly salary on shopping, after spending Rs 11475 she found that this money was 60% of the amount she spent, what is Kirti's salary?

1435 0

  • 1
    29600
    Correct
    Wrong
  • 2
    42500
    Correct
    Wrong
  • 3
    38800
    Correct
    Wrong
  • 4
    None of these
    Correct
    Wrong
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Answer : 2. "42500"

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