Maths Practice Question and Answer

Q:

In the given figure, AB‖CD, find the value of x:

5673 0

  • 1
    x=8
    Correct
    Wrong
  • 2
    x=9
    Correct
    Wrong
  • 3
    x=8 or 9
    Correct
    Wrong
  • 4
    x=10
    Correct
    Wrong
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Answer : 3. " x=8 or 9"

Q:

Sapna borrowed a certain sum of money from Kavita under the following repayment scheme based on simple interest. 8% p.a. for the initial 2 years, 9.5% p.a. for the next 4 years, 11% p.a. for the next 2 years, 12% p.a. after the first 8 years. Find the amount which a sum of Rs. 9000 taken for 12 years becomes at the end of 12 years?

5634 0

  • 1
    Rs. 20160
    Correct
    Wrong
  • 2
    Rs. 22350
    Correct
    Wrong
  • 3
    Rs. 23470
    Correct
    Wrong
  • 4
    Rs. 24567
    Correct
    Wrong
  • 5
    None of these
    Correct
    Wrong
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Answer : 1. "Rs. 20160"

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Answer : 2. "42"

Q:

The price of the book is marked 20% above the C.P. If the market price of the book is Rs. 180, then what is the cost of the paper used in a single copy of the books?

5584 0

  • 1
    Rs. 36
    Correct
    Wrong
  • 2
    Rs. 37.50
    Correct
    Wrong
  • 3
    Rs. 42
    Correct
    Wrong
  • 4
    Rs. 44.25
    Correct
    Wrong
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Answer : 2. "Rs. 37.50"
Explanation :

Clearly, marked price of the book = 120% of C.P
Also, cost of paper = 25% of C.P.
Let the cost of paper for a single book be Rs. n.
Then, 120 : 25 = 180 : n ⇒ n = Rs.  = Rs. 37.50

Q:

Distance between A and B is 1200 km. If they start moving towards each other at same time, they will meet in 24 hrs. If A starts 10 hrs after B, then they will meet in 20 hrs. What are their respective speeds?

5555 1

  • 1
    30 kmph, 20 kmph
    Correct
    Wrong
  • 2
    35 kmph, 25 kmph
    Correct
    Wrong
  • 3
    40 kmph, 25kmph
    Correct
    Wrong
  • 4
    25 kmph, 35 kmph
    Correct
    Wrong
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Answer : 1. "30 kmph, 20 kmph"

Q:

A man can swim to a place 120 km distant and come back in 35 hours. He finds that he  can swim 6 km against the stream in the same time as 8 km with the stream. Find the ratio of speed of man in still water to that of stream?

5515 0

  • 1
    5 :2
    Correct
    Wrong
  • 2
    4 : 7
    Correct
    Wrong
  • 3
    7 : 1
    Correct
    Wrong
  • 4
    2 : 9
    Correct
    Wrong
  • 5
    None of these
    Correct
    Wrong
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Answer : 3. "7 : 1"

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Answer : 1. "14"
Explanation :

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