Maths Practice Question and Answer

Q: A rectangular plot has the ratio of 5:3 between length and breath. If the perimeter of the plot is 320 mtr. What’s the area of the plot? 2159 0

  • 1
    6000 sq.mtr.
    Correct
    Wrong
  • 2
    12000 sq.mtr.
    Correct
    Wrong
  • 3
    4500 sq.mtr.
    Correct
    Wrong
  • 4
    18000 sq.mtr.
    Correct
    Wrong
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Answer : 1. "6000 sq.mtr."
Explanation :

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Q:

The area of an equilateral triangle inscribed in a circle is  . The area of the circle is:

2156 0

  • 1
    Correct
    Wrong
  • 2
    π
    Correct
    Wrong
  • 3
    π
    Correct
    Wrong
  • 4
    π
    Correct
    Wrong
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Answer : 3. "π"

Q:

A number whose one - fifth part increased by 4 is equal to its one - fourth part diminished by 10 is: 

2155 0

  • 1
    260
    Correct
    Wrong
  • 2
    280
    Correct
    Wrong
  • 3
    240
    Correct
    Wrong
  • 4
    270
    Correct
    Wrong
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Answer : 2. "280 "

Q: If A: B=3:4, B:C=8:9, and C:D=15:16, Find A:D 2151 1

  • 1
    5:8
    Correct
    Wrong
  • 2
    5:7
    Correct
    Wrong
  • 3
    15:32
    Correct
    Wrong
  • 4
    20:44
    Correct
    Wrong
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Answer : 1. "5:8"

Q:

If for an edition of the book, the cost of paper is Rs. 56250, then find the promotion cost for this edition?

2150 0

  • 1
    Rs. 20,000
    Correct
    Wrong
  • 2
    Rs. 22,500
    Correct
    Wrong
  • 3
    Rs. 25,500
    Correct
    Wrong
  • 4
    Rs. 28,125
    Correct
    Wrong
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Answer : 2. "Rs. 22,500"
Explanation :

Let the Promotion cost for this edition be Rs. p.
Then, 25 : 10 = 56250 : p ⇒ p = Rs.  = Rs. 22500.

Q:

If α and β are the roots of equation x2 - 2x + 4 - 0, then what is the equation whose roots are α32 and β32?

2150 0

  • 1
    Correct
    Wrong
  • 2
    Correct
    Wrong
  • 3
    Correct
    Wrong
  • 4
    Correct
    Wrong
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Answer : 3. ""

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Answer : 3. "16 : 25"

Q:

If a person purchases a shirt, he gets 6 % discount. However, if he purchases two shirts, he gets 5 % on the first and 8 % on the second. If the price paid by the person for two shirts is ₹ 925, then what will be the marked price of each shirt? 

2143 0

  • 1
    ₹ 494
    Correct
    Wrong
  • 2
    ₹ 550
    Correct
    Wrong
  • 3
    ₹ 528
    Correct
    Wrong
  • 4
    ₹ 500
    Correct
    Wrong
  • Show Answer
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Answer : 1. "₹ 494 "

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