Maths Practice Question and Answer

Q:

X liters of milk is taken out and replaced with water from a container having 240 liters milk. Now, 20% of the mixture is taken out and replaced with water. In final mixture, the difference in quantity of milk & water is 128 liters. Find X.

3506 0

  • 1
    12
    Correct
    Wrong
  • 2
    10
    Correct
    Wrong
  • 3
    9
    Correct
    Wrong
  • 4
    11
    Correct
    Wrong
  • 5
    8
    Correct
    Wrong
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Answer : 2. "10"

Q:

Time appears in the mirror 6: 00. Then what is the correct time in clock? 

3505 0

  • 1
    6 : 60
    Correct
    Wrong
  • 2
    6:00
    Correct
    Wrong
  • 3
    5 : 58
    Correct
    Wrong
  • 4
    6:01
    Correct
    Wrong
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Answer : 2. "6:00 "

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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: The difference between two numbers is 45% of their summation. The ratio of the larger number to the smaller number will be- 3503 0

  • 1
    20:9
    Correct
    Wrong
  • 2
    9:20
    Correct
    Wrong
  • 3
    29:11
    Correct
    Wrong
  • 4
    11:29
    Correct
    Wrong
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Answer : 3. "29:11"

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 3489 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:

A sum of Rs.10600 is divided among P, Q, R in such a way that P gets Rs.1400 more than what Q gets and Q gets Rs.1600 more than what R gets. The ratio of their shares is

3487 1

  • 1
    16: 9: 18
    Correct
    Wrong
  • 2
    27: 18: 10
    Correct
    Wrong
  • 3
    18: 25: 10
    Correct
    Wrong
  • 4
    16: 25: 10
    Correct
    Wrong
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Answer : 3. "18: 25: 10"

Q: If 8% of x is the same as 4% of y, then 20% of x is the same as : 3448 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: The average of three numbers is 154. The first number is double of the second number and the second is double of the third one. The first number is 3439 0

  • 1
    264
    Correct
    Wrong
  • 2
    132
    Correct
    Wrong
  • 3
    88
    Correct
    Wrong
  • 4
    66
    Correct
    Wrong
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Answer : 1. "264"
Explanation :

let x y and z is three number
x:y
2:1
y:z
2:1
then we can find x:y:z is will be 4:2:1
Then 7/3=154
1=66
then the x will be=66*4=264

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