Quantitative Aptitude Practice Question and Answer

Q: Shyam can work at thrice the speed than Naresh. If together they can complete a work in 32 days, in how many days can Naresh alone complete it? 4875 0

  • 1
    120
    Correct
    Wrong
  • 2
    128
    Correct
    Wrong
  • 3
    124
    Correct
    Wrong
  • 4
    144
    Correct
    Wrong
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Answer : 2. "128"

Q:

What should come in place of the question mark(?) in the following number series?
1, 5, 13 , 29 ,? , 125 , 253

4857 2

  • 1
    83
    Correct
    Wrong
  • 2
    69
    Correct
    Wrong
  • 3
    61
    Correct
    Wrong
  • 4
    65
    Correct
    Wrong
  • 5
    81
    Correct
    Wrong
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Answer : 3. "61"
Explanation :

The difference between number will be 4, 8, 16, 32, 64

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? 4857 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.

Q: In how many years, Rs. 200 will produce the same interest @ 5 % as Rs. 900 produce in 2 years @ 3 ½ %  ? 4854 0

  • 1
    5.2 yrs
    Correct
    Wrong
  • 2
    7 yrs
    Correct
    Wrong
  • 3
    7.9 yrs
    Correct
    Wrong
  • 4
    6.3 yrs
    Correct
    Wrong
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Answer : 4. "6.3 yrs"
Explanation :

Answer: D) 6.3 yrs Explanation: P = Rs. 900, R = 3 ½ % = 7/2 %, T = 2 years.  Therefore,  S.I. = PTR/100 S.I. = Rs. (900 x 7/2 x 2/100) = Rs. 63 Now, P = Rs. 200, S.I. = Rs. 63, R = 5 % Time = ((100 x 63) / (200 x 5) ) years = 6.3 years.

Q: What was the day on 2nd Jan 1901 ? 4848 0

  • 1
    Tuesday
    Correct
    Wrong
  • 2
    Wednesday
    Correct
    Wrong
  • 3
    Monday
    Correct
    Wrong
  • 4
    Thursday
    Correct
    Wrong
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Answer : 2. "Wednesday"
Explanation :

Answer: B) Wednesday Explanation: 2nd Jan 1901 means(1900 years and 2 day)Now, 1600 years have 0 odd day300 years have 1 odd day2 days has 2 odd dayTotal no. of odd days = 0 + 1 + 2 = 3 daysHence, the day on 2nd Jan 1901 was Wednesday.

Q: A can write 32 pages in 6 hours and B can write 40 pages in 5 hours. If they write together, in how many hours they can write 110 pages ? 4846 0

  • 1
    7 hrs
    Correct
    Wrong
  • 2
    6 hrs 10 min
    Correct
    Wrong
  • 3
    5 hrs 25min
    Correct
    Wrong
  • 4
    8 hrs 15 min
    Correct
    Wrong
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Answer : 4. "8 hrs 15 min"
Explanation :

Answer: D) 8 hrs 15 min Explanation: A can write in 1hour = 32/6 pages Similarly, B in 1 hour = 40/5 pages Together (A+B) in 1 hour = 32/6 + 40/5 = 40/3 So, A+B write 40/3 pages in 1 hour A+B write 110 pages in (3/40) x 110 Hours = 8 hours 15 min.

Q: Two trains of equal length, running with the speeds of 60 and 40 kmph, take 50 seconds to cross each other while they are running in the same direction. What time will they take to cross each other if they are running in opposite directions  ? 4836 0

  • 1
    10 sec
    Correct
    Wrong
  • 2
    11 sec
    Correct
    Wrong
  • 3
    12 sec
    Correct
    Wrong
  • 4
    8 sec
    Correct
    Wrong
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Answer : 1. "10 sec"
Explanation :

Answer: A) 10 sec Explanation: Relative Speed = 60 -40 = 20 x 5/18 = 100/18 Time = 50 Distance = 50 x 100/18 = 2500/9 Relative Speed = 60 + 40 = 100 x 5/18 Time = 2500/9 x 18/500 = 10 sec.

Q: In a mens hostel, there were 95 students. To accommodate 30 more students the average is decreased by rupees 5. But total expenditure increased by Rs.500. Find the total expenditure of the hostel now ? 4800 0

  • 1
    Rs. 4680
    Correct
    Wrong
  • 2
    Rs. 4420
    Correct
    Wrong
  • 3
    Rs. 4960
    Correct
    Wrong
  • 4
    Rs. 5480
    Correct
    Wrong
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Answer : 1. "Rs. 4680"
Explanation :

Answer: A) Rs. 4680 Explanation: Let the expenditure on the 95 students be 'x' Then, 95x + 500 = 120(x – 5)95x + 500 = 120x - 600120x - 95x = 110025x = 1100=> x = 44 Therefore, total expenditure of the hostel becomes95 x 44 + 500 = 4680.

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