Quantitative Aptitude Practice Question and Answer

Q: 25% of 25% Is Equal To 1957 0

  • 1
    0.0625
    Correct
    Wrong
  • 2
    0.0210
    Correct
    Wrong
  • 3
    0.03145
    Correct
    Wrong
  • 4
    0.3210
    Correct
    Wrong
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Answer : 1. "0.0625"
Explanation :

Answer: A) 0.0625 Explanation: 25% of 25% means   25/100 of 25/100   i.e, 1/4 of 1/4   or in other words 1/4 x 1/4=1/16   Hence, the answer is 1/16 = 0.0625.

Q: Rushi and Arun are two business partners. They invest their capital in the ratio 7 : 9. After 6 months, a third person Ram joins them with a capital of two third of that of Arun. After a year, profit share of Rushi was Rs. 5600, then find total profit? 1956 0

  • 1
    26,250
    Correct
    Wrong
  • 2
    19,200
    Correct
    Wrong
  • 3
    18,650,
    Correct
    Wrong
  • 4
    15,200
    Correct
    Wrong
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Answer : 4. "15,200"
Explanation :

Answer: D) 15,200 Explanation: Ratio of investment of all the three members = (7 x 12) : (9 x 12) : (2/3 x 9 x 6) = 7 : 9 : 3 Given Rushi's one year profit = Rs. 5600 => Let the total profit = Rs. P Then, P x 7/19 = 5600 Total profit P = 19 x 5600/7 = Rs. 15,200.

Q: A boat takes 2 hours to travel from point A to B in still water. To find out its speed upstream, which of the following information is/are required? A. Distance between point A and B. B. Time taken to travel downstream from B to A. C. Speed of the stream of water. 1955 0

  • 1
    Only A and B
    Correct
    Wrong
  • 2
    Only B and C
    Correct
    Wrong
  • 3
    All are required
    Correct
    Wrong
  • 4
    Any one pair of A and B, B and C or C and A is sufficient
    Correct
    Wrong
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Answer : 4. "Any one pair of A and B, B and C or C and A is sufficient"
Explanation :

Answer: D) Any one pair of A and B, B and C or C and A is sufficient Explanation: Let distance between A & B = d kmLet speed in still water = x kmphLet speed of current = y kmph from the given data,d/x = 2 From A) we get dFrom B) we get d/x+yFrom C) we get y   So, Any one pair of A and B, B and C or C and A is sufficient to give the answer i.e, the speed of upstream.

Q: If 3x-y=27, 3x+y=243 then find the x value 1952 0

  • 1
    2
    Correct
    Wrong
  • 2
    8
    Correct
    Wrong
  • 3
    4
    Correct
    Wrong
  • 4
    1
    Correct
    Wrong
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Answer : 3. "4"
Explanation :

Answer: C) 4 Explanation: Given that 3x-y=27, 3x+y=243 ⇒3x-y =33 , 3x+y=35  => x-y=3, x+y=5  => x = 4

Q: Length of train is 170 meters and speed of train is 63 km/hour. This train can pass a bridge in 30 seconds, then find the length of the bridge. 1944 0

  • 1
    355 mts
    Correct
    Wrong
  • 2
    325 mts
    Correct
    Wrong
  • 3
    365 mts
    Correct
    Wrong
  • 4
    312 mts
    Correct
    Wrong
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Answer : 1. "355 mts"
Explanation :

Answer: A) 355 mts Explanation: Given speed = 63 km/hr = 63×518=352 m/s Let the length of the bridge = x mts Given time taken to cover the distance of (170 + x)mts is 30 sec. We know speed = distancetimem/s ⇒352=170+x30  -->  x = 355 mts.

Q: A tailor has 37.5 metres of cloth and he has to make 8 pieces out of a metre of cloth. How many pieces can he make out of half of the cloth he has ? 1941 0

  • 1
    300
    Correct
    Wrong
  • 2
    150
    Correct
    Wrong
  • 3
    175
    Correct
    Wrong
  • 4
    200
    Correct
    Wrong
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Answer : 2. "150"
Explanation :

Answer: B) 150 Explanation: Half of the cloth = 37.5/2 From 1 meter he will make 8 pieces=> in 37.5/2 ---- ? 37.5/2 x 8 = 150.

Q: Find the Odd One Out? 4, 6, 12, 30, 81, 315. 1936 0

  • 1
    6
    Correct
    Wrong
  • 2
    12
    Correct
    Wrong
  • 3
    81
    Correct
    Wrong
  • 4
    315
    Correct
    Wrong
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Answer : 3. "81"
Explanation :

Answer: C) 81 Explanation: Given the number series is 4, 6, 12, 30, 81, 315. Here it follows a pattern that 4 4 x 1.5 = 6 6 x 2 = 12 12 x 2.5 = 30 30 x 3 = 90 not equals to 81 90 x 3.5 = 315   Hence the odd one in the series is 81.

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