Maths Practice Question and Answer

Q:

Gopal and Ravi contracted a work for Rs 480. If Gopal can do that work in 15 days and Ravi can complete that same work in 10 days. He completed this work with Mahesh in 5 days, then tell me how much money Mahesh got.

4238 0

  • 1
    Rs.80
    Correct
    Wrong
  • 2
    Rs.120
    Correct
    Wrong
  • 3
    Rs.160
    Correct
    Wrong
  • 4
    Rs. 40
    Correct
    Wrong
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Answer : 1. "Rs.80 "

Q: If x is 80% of y, what percent of x is y? 4237 0

  • 1
    75%
    Correct
    Wrong
  • 2
    80%
    Correct
    Wrong
  • 3
    100%
    Correct
    Wrong
  • 4
    125%
    Correct
    Wrong
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Answer : 4. " 125%"
Explanation :

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Q: Length of train A is 50 % more than the train B coming from its opposite direction. Speed of train A is 40 km/hour and that of for train B is 32 km/hour and they took 15 sec time to cross each other. Find the length of train B 4230 0

  • 1
    150 metre
    Correct
    Wrong
  • 2
    120 metre
    Correct
    Wrong
  • 3
    130 metre
    Correct
    Wrong
  • 4
    180 metre
    Correct
    Wrong
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Answer : 4. "180 metre"

Q:

Anoop sells a book to Mayank at a profit of 20% and Mayank sells this book to Siddharth at a profit of 25%. Now Siddharth sells this book at a loss of 10% to Shishir. At what percentage loss should Shishir sells this book now so that his SP becomes equal to Anoop’s CP?

4224 0

  • 1
    36.68%
    Correct
    Wrong
  • 2
    25.92%
    Correct
    Wrong
  • 3
    48.66%
    Correct
    Wrong
  • 4
    16.46%
    Correct
    Wrong
  • 5
    Cannot be determined/
    Correct
    Wrong
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Answer : 2. "25.92%"

Q: A machine was sold at 10% Profit had it been sold for Rs 80 less the seller would have incurred 10% loss. What is cost price of Machine? 4223 2

  • 1
    350
    Correct
    Wrong
  • 2
    400
    Correct
    Wrong
  • 3
    450
    Correct
    Wrong
  • 4
    520
    Correct
    Wrong
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Answer : 2. "400"

Q: The difference between 4632 and 20000 is what number 4190 0

  • 1
    15368
    Correct
    Wrong
  • 2
    12652
    Correct
    Wrong
  • 3
    14562
    Correct
    Wrong
  • 4
    14965
    Correct
    Wrong
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Answer : 1. "15368"
Explanation :

Answer: A) 15368 Explanation: The difference between 4632 and 20000 is given by subtracting smaler number from the bigger number. Here the bigger number is 20000 Smaller number is 4632 Now, subtracting 4632 from 20000 20000 - 4632 = 15368 and the resut is an even number.   Hence, The difference between 4632 and 20000 is 15368 and is an even number.

Q:

If the four-digit number 463y is divisible by 7, then what is the value of y?

4186 0

  • 1
    4
    Correct
    Wrong
  • 2
    6
    Correct
    Wrong
  • 3
    3
    Correct
    Wrong
  • 4
    5
    Correct
    Wrong
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Answer : 1. "4"

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Answer : 1. "48 kmph"
Explanation :

Answer: A) 48 kmph Explanation: Let the initial speed of Akhil be '4p' kmph Then speed after decrease in speed = '3p' kmph We know that,  Change in speed == Change in time According to the given data, 243p - 244p = 35 - 2560=> p = 12   Hence, the initial speed of Akhil = 4p = 4 x 12 = 48 kmph.

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