Quantitative Aptitude Practice Question and Answer

Q: If 35% of a number is 24 less than 50% of that number, then the number is ? 2015 0

  • 1
    80
    Correct
    Wrong
  • 2
    160
    Correct
    Wrong
  • 3
    100
    Correct
    Wrong
  • 4
    120
    Correct
    Wrong
  • Show AnswerHide Answer
  • Workspace

Answer : 2. "160"
Explanation :

Answer: B) 160 Explanation: Let the number be n. Then, 50% of n - 35% of n = 24 50/100 n - 35/100 n = 24 n = (24 x 100)/15 = 160.

Q: If every seconds Saturday and all Sundays are holidays in a 30 days month beginning on Saturday, then how many working days are there in that month ? (Month starts from Saturday) 2012 0

  • 1
    25
    Correct
    Wrong
  • 2
    22
    Correct
    Wrong
  • 3
    24
    Correct
    Wrong
  • 4
    23
    Correct
    Wrong
  • Show AnswerHide Answer
  • Workspace

Answer : 4. "23"
Explanation :

Answer: D) 23 Explanation: As month begins on Saturday, so 2nd, 9th, 16th, 23rd, 30th days will be Sundays. While 8th and 22nd days are second Saturdays. Thus, there are 7 holidays in all. Hence, no. of working days = 30 – 7 =23

Q: 4 45 of 259.99 = ? % of 1247.9 2012 0

  • 1
    96
    Correct
    Wrong
  • 2
    100
    Correct
    Wrong
  • 3
    78
    Correct
    Wrong
  • 4
    88
    Correct
    Wrong
  • Show AnswerHide Answer
  • Workspace

Answer : 2. "100"
Explanation :

Answer: B) 100 Explanation: Given  4 45 of 259.99 = ? % of 1247.9 24/5 x 260 = ? x 1248/100 ? = 1248 x 100/1248 ? = 100.

Q: In a mixture of 240 lt. water is 20% and rest is Milk. What quantity of mixture should be taken out and replaced with water so that water becomes 40%? 2011 0

  • 1
    60 lit
    Correct
    Wrong
  • 2
    55 lit
    Correct
    Wrong
  • 3
    45 lit
    Correct
    Wrong
  • 4
    50 lit
    Correct
    Wrong
  • Show AnswerHide Answer
  • Workspace

Answer : 1. "60 lit"
Explanation :

Answer: A) 60 lit Explanation:

Q: A take twice as much time as B or thrice as much time to finish a piece of work. Working together, they can finish the work in 2 days. B can do the work alone in  ? 2010 0

  • 1
    8 hrs
    Correct
    Wrong
  • 2
    12 hrs
    Correct
    Wrong
  • 3
    6 hrs
    Correct
    Wrong
  • 4
    4 hrs
    Correct
    Wrong
  • Show AnswerHide Answer
  • Workspace

Answer : 3. "6 hrs"
Explanation :

Answer: C) 6 hrs Explanation: Suppose A, B and C take x, x/2 and x/3 respectively to finish the work.  Then, (1/x + 2/x + 3/x) = 1/2  => 6/x = 1/2      => x = 12  So, B takes 6 hours to finish the work.

Q: Using numbers from 0 to 9 the number of 5 digit telephone numbers that can be formed is 2010 0

  • 1
    1,00,000
    Correct
    Wrong
  • 2
    59,049
    Correct
    Wrong
  • 3
    3439
    Correct
    Wrong
  • 4
    6561
    Correct
    Wrong
  • Show AnswerHide Answer
  • Workspace

Answer : 3. "3439"
Explanation :

Answer: C) 3439 Explanation: The numbers 0,1,2,3,4,5,6,7,8,9 are 10 in number while preparing telephone numbers any number can be used any number of times.   This can be done in 105ways, but '0' is there   So, the numbers starting with '0' are to be excluded is 94 numbers.    Total 5 digit telephone numbers = 105- 94 = 3439

Q: Find the simple interest on Rs.600 for 11 months at 5 paisa per month ? 2009 0

  • 1
    Rs. 30
    Correct
    Wrong
  • 2
    Rs. 3.30
    Correct
    Wrong
  • 3
    Rs. 33
    Correct
    Wrong
  • 4
    Rs. 330
    Correct
    Wrong
  • Show AnswerHide Answer
  • Workspace

Answer : 2. "Rs. 3.30"
Explanation :

Answer: B) Rs. 3.30 Explanation: I = (600x11x5)/100 = 330 Paise = Rs. 3.30

Q: In a college, number of boys is 75% of number of girls. Difference between boys and girls is 35. On a particular day 20% boys were absent, then find the number of boys those who present? 2009 0

  • 1
    72
    Correct
    Wrong
  • 2
    84
    Correct
    Wrong
  • 3
    93
    Correct
    Wrong
  • 4
    81
    Correct
    Wrong
  • Show AnswerHide Answer
  • Workspace

Answer : 2. "84"
Explanation :

Answer: B) 84 Explanation: Ratio of girls and boys = 100% : 75% = 4:3 Difference is 1 unit = 35 So, 3 units = 35 x 3 = 105 If 20% absent, that’s mean 80% present. So, present boys = 80% of 105 = 80×105100 = 84

      Report Error

    Please Enter Message
    Error Reported Successfully

      Report Error

    Please Enter Message
    Error Reported Successfully

      Report Error

    Please Enter Message
    Error Reported Successfully

      Report Error

    Please Enter Message
    Error Reported Successfully

      Report Error

    Please Enter Message
    Error Reported Successfully

      Report Error

    Please Enter Message
    Error Reported Successfully

      Report Error

    Please Enter Message
    Error Reported Successfully

      Report Error

    Please Enter Message
    Error Reported Successfully