Maths Practice Question and Answer

Q:

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

3999 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.

Q: A man standing on a platform is crossed by a train in 20 seconds while 135-metre-long platform is crossed in 29 seconds. Find the speed of train. 3984 3

  • 1
    15 metre/sec
    Correct
    Wrong
  • 2
    60 metre/sec
    Correct
    Wrong
  • 3
    20 metre/sec
    Correct
    Wrong
  • 4
    18 metre/sec
    Correct
    Wrong
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Answer : 1. "15 metre/sec"

Q:

If a,b,c,d,e,f,g  are seven consecutive odd number, their average is

3982 0

  • 1
    (a+6)
    Correct
    Wrong
  • 2
    (abcdefg/7)
    Correct
    Wrong
  • 3
    (a+b+c+d+e+f+g)/7
    Correct
    Wrong
  • 4
    None of these
    Correct
    Wrong
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Answer : 1. "(a+6)"

Q: The difference between 4632 and 20000 is what number 3978 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 8% of x is the same as 4% of y, then 20% of x is the same as : 3973 2

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

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Q: How many window coverings are necessary to span 50 windows, if each window covering is 15 windows long? 3967 0

  • 1
    4
    Correct
    Wrong
  • 2
    15
    Correct
    Wrong
  • 3
    3
    Correct
    Wrong
  • 4
    50
    Correct
    Wrong
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Answer : 1. "4"
Explanation :

Answer: A) 4 Explanation: Given that,  Number of windows = 50 Each window covering covers 15 windows => 50 windows requires 50/15 window coverings = 50/15 = 3.333   Hence, more than 3 window coverings are required. In the options 4 is more than 3.    Hence, 4 window coverings are required to cover 50 windows of each covering covers 15 windows.

Q:

The marked price of a AC was Rs.22500. After allowing two successive discounts, it was sold for Rs.17595. If the second discount was 8%, then what was the first discount?

3965 0

  • 1
    12%
    Correct
    Wrong
  • 2
    15%
    Correct
    Wrong
  • 3
    14%
    Correct
    Wrong
  • 4
    9%
    Correct
    Wrong
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Answer : 2. "15%"

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