Quantitative Aptitude Practice Question and Answer

Q: Ramesh and Dinesh can complete a work in 15 and 20 days respectively. Ramesh started working but after 5 days Dinesh replaced Ramesh. Find the share of Dinesh in Rs 15000 4276 0

  • 1
    Rs 5000
    Correct
    Wrong
  • 2
    Rs 9000
    Correct
    Wrong
  • 3
    Rs 10000
    Correct
    Wrong
  • 4
    Rs 8000
    Correct
    Wrong
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Answer : 3. "Rs 10000"

Q: If a dealer wants to earn 40% profit on an article after offering 30% discount, by what percent should be increase his marked price to arrive at the label price? 4262 0

  • 1
    50%
    Correct
    Wrong
  • 2
    100%
    Correct
    Wrong
  • 3
    200%
    Correct
    Wrong
  • 4
    60%
    Correct
    Wrong
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Answer : 2. "100%"

Q: Amar can complete ¼ work in 3 days and Bhaskar can complete 1/6 th of the work in 4 days. If they work on it together, they get Rs 1800. Find the amount received by Amar. 4237 1

  • 1
    Rs 600
    Correct
    Wrong
  • 2
    Rs 1000
    Correct
    Wrong
  • 3
    Rs 1080
    Correct
    Wrong
  • 4
    Rs 1200
    Correct
    Wrong
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Answer : 4. "Rs 1200"

Q: A and B runs around a circular track. A beats B by one round or 10 minutes. In this race, they had completed 4 rounds. If the race was only of one round, find the A's time over the course: 4221 0

  • 1
    8 min
    Correct
    Wrong
  • 2
    7.5 min
    Correct
    Wrong
  • 3
    12.5 min
    Correct
    Wrong
  • 4
    12 min
    Correct
    Wrong
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Answer : 2. "7.5 min"
Explanation :

Answer: B) 7.5 min Explanation: B runs around the track in 10 min.  i.e ,    Speed of B = 10 min per round  Therefore,  A beats B by 1 round   Time taken  by A to complete 4 rounds    = Time taken by B to complete 3 rounds    = 30 min    Therefore, A's speed = 30/4 min per round = 7.5 min per round  Hence, if the race is only of one round A's time over the course = 7 min 30 sec

Q: In one hour, a boat goes 12 km/hr along the stream and 6 km/hr against the stream. The speed of the boat in still water (in km/hr) is: 4211 0

  • 1
    9
    Correct
    Wrong
  • 2
    8
    Correct
    Wrong
  • 3
    7
    Correct
    Wrong
  • 4
    7.5
    Correct
    Wrong
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Answer : 1. "9"
Explanation :

Answer: A) 9 Explanation: Speed in still water = Average of Speed in Upstream and speed in Downstream = 1/2 (12 + 6) kmph = 9 kmph.

Q: Solve the equation 122x+1 = 1 ? 4188 0

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

Answer: A) -1/2 Explanation: Rewrite equation as 122x+1 = 120   Leads to 2x + 1 = 0    Solve for x : x = -1/2

Q: The marked price of an article is increased by 25% and the selling price is increased by 16.66%, then the amount of profit doubles. If the original marked price be Rs. 400 which is greater than the corresponding cost price by 33.33%, what is the increased selling price? 4173 0

  • 1
    Rs. 380
    Correct
    Wrong
  • 2
    Rs. 420
    Correct
    Wrong
  • 3
    Rs. 460
    Correct
    Wrong
  • 4
    Rs. 440
    Correct
    Wrong
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Answer : 2. "Rs. 420"
Explanation :

Answer: B) Rs. 420 Explanation: As given in the question, Marked price is 25% more than the Cost price. => C.P of the article = 34 x 400 = 300  Now,  Let the original S.P of the article be Rs. P Now the new S.P = P + 16.666 +13.333300 x P  => S.P = 7P6 According to the question, 7P6 - 300 = 2P - 300 => 5P = 1800 => P = Rs. 360 Hence, the increased S.P = 360 x 7/6 = Rs. 420.

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Answer : 2. "8"
Explanation :

Answer: B) 8 Explanation:     AmitBharatNo.of Days4540Efficiency2.22Percent(=145)2.5 Percent(=140)   Amit did the work in 56 days = 56×145×2=2845    Therefore, Rest work 17/45 was done by Amit and Bharath = 174517360 = 8 days       ( since Amit and Bharath  do the work in one day = 145+140=17360)

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