Maths Practice Question and Answer

Q:

Smallest side of a right angled triangle is 13 cm less than the side of a square of perimeter 72 cm. Second largest side of the right angled triangle is 2 cm less than the length of the rectangle of area 112 cm² and breadth 8 cm. What is the largest side of the right angled triangle?

6909 0

  • 1
    20 cm
    Correct
    Wrong
  • 2
    12 cm
    Correct
    Wrong
  • 3
    10 cm
    Correct
    Wrong
  • 4
    13 cm
    Correct
    Wrong
  • 5
    None of these
    Correct
    Wrong
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Answer : 4. "13 cm"

Q: 240 metre long train running at 48 km/hour cross a platform in 39 seconds. What is the length of platform? 6909 0

  • 1
    520
    Correct
    Wrong
  • 2
    280
    Correct
    Wrong
  • 3
    480
    Correct
    Wrong
  • 4
    270
    Correct
    Wrong
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Answer : 2. "280"

Q:

The population of a village was 9600. In a year, with the increase in population of males by 8 % and that of females by 5 %, the population of the village became 10272. What was the number of males in the village before increase?

6712 0

  • 1
    4200
    Correct
    Wrong
  • 2
    4410
    Correct
    Wrong
  • 3
    6400
    Correct
    Wrong
  • 4
    6048
    Correct
    Wrong
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Answer : 3. "6400"

Q: If 2A=3B=4C, then A:B:C will be- 6508 1

  • 1
    2:3:4
    Correct
    Wrong
  • 2
    4:3:2
    Correct
    Wrong
  • 3
    6:4:3
    Correct
    Wrong
  • 4
    3:4:6
    Correct
    Wrong
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Answer : 3. "6:4:3"

Q:

If the highest common factor (HCF) of x and y is 15, then the HCF of 36x2 – 81y2 and 81x2 – 9y2 is divisible by __________

6406 0

  • 1
    135
    Correct
    Wrong
  • 2
    120
    Correct
    Wrong
  • 3
    180
    Correct
    Wrong
  • 4
    90
    Correct
    Wrong
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Answer : 1. "135"

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:

6317 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 (\(4a ^2\)-\(3b^2\)):(\(2a ^2\)+\(5b ^2\))=12:19, then a:b=___ 6217 3

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

Q:

If A: B = 2: 3, B: C = 6: 11 then what is the value of C: B: A?

6117 0

  • 1
    11: 6: 2
    Correct
    Wrong
  • 2
    22: 6: 4
    Correct
    Wrong
  • 3
    11: 3: 2
    Correct
    Wrong
  • 4
    11: 6: 4
    Correct
    Wrong
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Answer : 4. "11: 6: 4"

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