Quantitative Aptitude Practice Question and Answer

Q: The difference between two numbers is 45% of their summation. The ratio of the larger number to the smaller number will be- 3279 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: 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. 3274 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"

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Answer : 4. "31"
Explanation :

Answer: D) 31 Explanation: Let y be the total number of loavesa be the remaining loaves after 1st thiefb be the remaining loaves after 2nd thiefand c, d..so on after 3 and 4 the = 0 be the remaining loaves after 5th thief a = y - (y/2 + 1/2)= y/2 - 1/2 b = a - (a/2 + 1/2)= a/2 - 1/2 c = b - (b/2 + 1/2)= b/2 - 1/2 d = c - (c/2 + 1/2)= c/2 - 1/2 e = d - (d/2 + 1/2)= d/2 - 1/2we know that, e = 0,thus by substitution, we getd = 1c = 3b = 7a = 15y = 31Therefore total number of bread loaves in bakery was 31.

Q: Find the next number in the sequence? 28, 16, 28, 76, 274 3255 0

  • 1
    1233
    Correct
    Wrong
  • 2
    1243
    Correct
    Wrong
  • 3
    1256
    Correct
    Wrong
  • 4
    1276
    Correct
    Wrong
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Answer : 2. "1243"
Explanation :

Answer: B) 1243 Explanation: Given number sequence is 28, 16, 28, 76, 274 Here the sequence follows a pattern that 28 28 x 0.5 + 2 = 14 + 2 = 16 16 x 1.5 + 4 = 24 + 4 = 28 28 x 2.5 + 6 = 70 + 6 = 76 76 x 3.5 + 8 = 266 + 8 = 274 274 x 4.5 + 10 = 1233 + 10 = 1243   Hence, the next number in the given number sequence is 1243.

Q: If HCF of two numbers is 8,which of the following can never be their LCM? 3229 0

  • 1
    32
    Correct
    Wrong
  • 2
    48
    Correct
    Wrong
  • 3
    60
    Correct
    Wrong
  • 4
    152
    Correct
    Wrong
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Answer : 3. "60"
Explanation :

Answer: C) 60 Explanation: 60 is not a multiple of 8

Q:

What approximate value should come in place of the question mark(?) in the following question.
635×455÷403=?

3211 0

  • 1
    735
    Correct
    Wrong
  • 2
    795
    Correct
    Wrong
  • 3
    695
    Correct
    Wrong
  • 4
    685
    Correct
    Wrong
  • 5
    715
    Correct
    Wrong
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Answer : 5. "715"

Q: If 6 engines consume 24 metric tonnes of coal, when each is working 8 hours day, how much coal will be required for 9 engines, each running 13hours a day, it being given that 2 engines of former type consume as much as 3 engines of latter type ? 3205 0

  • 1
    45 metric tonnes
    Correct
    Wrong
  • 2
    47 metric tonnes
    Correct
    Wrong
  • 3
    55 metric tonnes
    Correct
    Wrong
  • 4
    34 metric tonnes
    Correct
    Wrong
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Answer : 1. "45 metric tonnes"
Explanation :

Answer: A) 45 metric tonnes Explanation: 2 engines of former type for one hour consumes (2 x 24)/(6 x8) = 1 metric ton  i.e. 3 engines of latter type consumes 1 ton for one hour Hence 9 engines consumes 3 tons for one hour For 15 hours it is 15 x 3 = 45 metric tonnes.

Q: A batsman in his 17th innings makes a score of 85 and their by increasing his average by 3. What is his average after the 17th innings ? 3203 0

  • 1
    34
    Correct
    Wrong
  • 2
    36
    Correct
    Wrong
  • 3
    35
    Correct
    Wrong
  • 4
    37
    Correct
    Wrong
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Answer : 4. "37"
Explanation :

Answer: D) 37 Explanation: 16x + 85 = 17(x + 3) x = 34 + 3 = 37

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