Quantitative Aptitude Practice Question and Answer

Q: A retailer buys product from a shopkeeper at discount of 40% on the list price (marked price) and sells them to the customer at a discount of 25% on the list price.What is his profit percentage ? 2126 0

  • 1
    10%
    Correct
    Wrong
  • 2
    15%
    Correct
    Wrong
  • 3
    20%
    Correct
    Wrong
  • 4
    25%
    Correct
    Wrong
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Answer : 4. "25%"
Explanation :

Answer: D) 25% Explanation: Let the list price be Rs.100.    Therefore, the retailer is buying the products at Rs.60 and selling it to the customer at Rs.75, earning a profit of Rs.15.   Therefore, his percentage is = 1560x100 = 25%

Q: A sales boy is allowed 412 % discount on the total sales made by him plus a bonus of 14% on the sales over Rs.12,000.If his total earnings were Rs.2400, then his total sales(in Rs.) are ? 1246 0

  • 1
    Rs.60,145.23
    Correct
    Wrong
  • 2
    Rs.54,285.54
    Correct
    Wrong
  • 3
    Rs.52,147.85
    Correct
    Wrong
  • 4
    Rs.50,589.47
    Correct
    Wrong
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Answer : 4. "Rs.50,589.47"
Explanation :

Answer: D) Rs.50,589.47 Explanation: Let the total earnings be Rs.x  Then 412% of x + 14% of (x-12000) =2400  ⇒92×x100+14×x-12000100=2400 =>  x=50,589.47

Q: An industrial loom weaves 1.14 meters of cloth every second. Approximately, how much time will it take to weave 52 meters of cloth ? 2803 1

  • 1
    29.32 sec
    Correct
    Wrong
  • 2
    42.51 sec
    Correct
    Wrong
  • 3
    39.25 sec
    Correct
    Wrong
  • 4
    45.61 sec
    Correct
    Wrong
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Answer : 4. "45.61 sec"
Explanation :

Answer: D) 45.61 sec Explanation: Given loom weaves 1.14 mts of cloth in one second then 52 mts of cloth can be weaved by loom in, 1.14 ----- 1 52.0 ------?  ⇒521.14= 45.61 sec

Q: Two trains 85 m and 75 m long are running in same direction with speeds of 62 km/hr and 44 km/hr respectively. In what time will the first train cross the second train ? 1737 1

  • 1
    22 sec
    Correct
    Wrong
  • 2
    32 sec
    Correct
    Wrong
  • 3
    42 sec
    Correct
    Wrong
  • 4
    52 sec
    Correct
    Wrong
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Answer : 2. "32 sec"
Explanation :

Answer: B) 32 sec Explanation: Given that, 1st train speed = 62 km/hr  2nd train speed  = 44 km/hr Hence the relative speed of two trains is : 62-44 = 18 km/hr = 18×518 m/s = 5 m/s. There fore, the first train crosses the second train i.e (85+75)mts of distance with a speed of 5m/s in,    time = distancespeed = 85+755 = 32 sec.

Q: The profit earned by selling an article for Rs.753 is equal to the loss incurred when the same article is sold for Rs.455.What should be the sale price for making 50% profit ? 1386 0

  • 1
    Rs.855
    Correct
    Wrong
  • 2
    Rs.955
    Correct
    Wrong
  • 3
    Rs.906
    Correct
    Wrong
  • 4
    Rs.896
    Correct
    Wrong
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Answer : 3. "Rs.906"
Explanation :

Answer: C) Rs.906 Explanation: Let C.P =Rs. x   Then as given, (753 - x ) = (x - 455) =>2x = 1208 => x = 604  There fore S.P= 150% of 604 => Rs. 150100×604= Rs.906

Q: If a+b=5 and 3a+2b=20,then (3a+b)will be : 1584 0

  • 1
    20
    Correct
    Wrong
  • 2
    15
    Correct
    Wrong
  • 3
    25
    Correct
    Wrong
  • 4
    30
    Correct
    Wrong
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Answer : 3. "25"
Explanation :

Answer: C) 25 Explanation: a+b=5   ...(1)    and    3a+2b=20 ...(2)   Multiplying (1) by 2 and subtracting from (2), we get : a=10.   Putting a=10 in (1), we get : b=-5   Therefore,   (3a+b) = 3 x 10+(-5)=30-5=25.

Q: Three numbers are in the ratio of 3:4:5 and their L.C.M is 3600.Their HCF is: 1877 0

  • 1
    40
    Correct
    Wrong
  • 2
    60
    Correct
    Wrong
  • 3
    100
    Correct
    Wrong
  • 4
    120
    Correct
    Wrong
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Answer : 2. "60"
Explanation :

Answer: B) 60 Explanation: Let the numbers be 3x, 4x, 5x.   Then, their L.C.M = 60x.   So, 60x=3600 or x=60.   Therefore,  The numbers are (3 x 60), (4 x 60), (5 x 60).   Hence,required H.C.F=60

Q: Three milkmen rented a pasture. A grazed 24 cows for 4 months; B 10 cows for 6 months; C 56 cows for 5 months. If A's share of rent is Rs. 960, find the total rent of the field? 1833 0

  • 1
    4530
    Correct
    Wrong
  • 2
    4440
    Correct
    Wrong
  • 3
    4360
    Correct
    Wrong
  • 4
    4280
    Correct
    Wrong
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Answer : 3. "4360"
Explanation :

Answer: C) 4360 Explanation: Ratio of shares of A,B,C = (24 x 4) : (10 x 6) : (56 x 5)                                     = 96 : 60 : 280.   Let total rent be Rs. x. Then, A's share = Rs.96x436  ∴96x436=960 ⇔x=960×43696=4360   Hence total rent of the field is Rs. 4360.

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