Maths Practice Question and Answer

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. 3871 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:

75% of a number is equal to three-seventh of another number. What is the ratio between the first number and the second number respectively ? 

3867 0

  • 1
    4: 7
    Correct
    Wrong
  • 2
    7:4
    Correct
    Wrong
  • 3
    12 :7
    Correct
    Wrong
  • 4
    7: 12
    Correct
    Wrong
  • 5
    None of these
    Correct
    Wrong
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Answer : 1. "4: 7 "

Q:

In how many different ways can letters of the word ‘SECOND’ be arranged?

3858 0

  • 1
    720
    Correct
    Wrong
  • 2
    120
    Correct
    Wrong
  • 3
    5040
    Correct
    Wrong
  • 4
    270
    Correct
    Wrong
  • 5
    None of the above
    Correct
    Wrong
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Answer : 1. "720"
Explanation :

Number of letter in word ‘SECOND’ =6
The number of ways can the letters of word be arranged =6×5×4×3×2×1=720

Q:

If $$ {x+3y-{2z\over 4}}=6$$ , $$ {x+{2\over 3}}(2y+3z)=33$$ and $$ {1\over 7}{(x+y+z)+2z=9}$$, then what is the value of $$ {46x+131y}$$?

3855 0

  • 1
    364
    Correct
    Wrong
  • 2
    414
    Correct
    Wrong
  • 3
    384
    Correct
    Wrong
  • 4
    464
    Correct
    Wrong
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Answer : 2. "414"

Q: The difference between 4632 and 20000 is what number 3850 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: Simran started a software business by investing Rs. 50,000. After six months, Nanda joined her with a capital of Rs. 80,000. After 3 years, they earned a profit of Rs. 24,500. What was Simran's share in the profit ? 3842 0

  • 1
    12,421
    Correct
    Wrong
  • 2
    9,423
    Correct
    Wrong
  • 3
    11,600
    Correct
    Wrong
  • 4
    10,500
    Correct
    Wrong
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Answer : 4. "10,500"
Explanation :

Answer: D) 10,500 Explanation: The ratio of their investments:50000x36 : 80000x30 = 3 : 4Simran's share of profit = (24500x3/7) = Rs.10,500.

Q:

Direction (66-70): What should come in place of the question mark(?) in the following number series?

10    11    13    21    69    ?

3840 0

  • 1
    382
    Correct
    Wrong
  • 2
    420
    Correct
    Wrong
  • 3
    424
    Correct
    Wrong
  • 4
    384
    Correct
    Wrong
  • 5
    None of these
    Correct
    Wrong
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Answer : 4. "384"

Q:

After a discount of 20% Asmita bought an item for Rs.9600. Asmita sold it to other person and earned a profit of 18% on the original price. At what price other person bought the item?

3839 1

  • 1
    14160
    Correct
    Wrong
  • 2
    14180
    Correct
    Wrong
  • 3
    14125
    Correct
    Wrong
  • 4
    14185
    Correct
    Wrong
  • 5
    14250
    Correct
    Wrong
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Answer : 1. "14160 "

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