Quantitative Aptitude Practice Question and Answer

Q: Which value is equal to 5% of 1,500? 2213 0

  • 1
    35
    Correct
    Wrong
  • 2
    55
    Correct
    Wrong
  • 3
    75
    Correct
    Wrong
  • 4
    45
    Correct
    Wrong
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Answer : 3. "75"
Explanation :

Answer: C) 75 Explanation: In the question it is asked for 5% of 1500 5 x 1500/100 = 15 x 5 = 75. ┬а Hence,┬а5% of 1,500 is equal to 75.

Q: Buses start from a bus terminal with a speed of 20 km/hr at intervals of 10 minutes. What is the speed of a man coming from the opposite direction towards the bus terminal if he meets the buses at intervals of 8 minutes? 2731 0

  • 1
    5 kmph
    Correct
    Wrong
  • 2
    6 kmph
    Correct
    Wrong
  • 3
    7.5 kmph
    Correct
    Wrong
  • 4
    8 kmph
    Correct
    Wrong
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Answer : 1. "5 kmph"
Explanation :

Answer: A) 5 kmph Explanation: Let p be the speed of man in kmph According to the given data in the question, Distance travelled by bus in 10 min with 20 kmph == Distance travelled by man in 8 min with (20 + p) kmph in opposite direction => 20 x 10/60 = 8/60 (20 + p) => 200 = 160 + 8p => p = 40/8 = 5 kmph.

Q: Find the next number in the given number series? 35, 36, 55, 111, ? 2352 0

  • 1
    278.5
    Correct
    Wrong
  • 2
    264.5
    Correct
    Wrong
  • 3
    212.5
    Correct
    Wrong
  • 4
    202
    Correct
    Wrong
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Answer : 1. "278.5"
Explanation :

Answer: A) 278.5 Explanation: The given number series is┬а35, 36, 55, 111, ? 35 35 x 1 + 1 = 36 36 x 1.5 + 1 = 55 55 x 2 + 1 = 111 111 x 2.5 + 1 = 278.5 ┬а Hence, the next number in the given number series is 278.5.

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Answer : 1. "20%"
Explanation :

Answer: A) 20% рд╕реНрдкрд╖реНрдЯреАрдХрд░рдг: рдЕрдВрдЧреНрд░реЗрдЬреА рдореЗрдВ рдЙрддреНрддреАрд░реНрдг рдЫрд╛рддреНрд░реЛрдВ рдХрд╛ рдкреНрд░рддрд┐рд╢рдд = 60% рд╣рд┐рдВрджреА рдореЗрдВ рдЙрддреНрддреАрд░реНрдг рдЫрд╛рддреНрд░реЛрдВ рдХрд╛ рдкреНрд░рддрд┐рд╢рдд = 45% рджреЛрдиреЛрдВ рд╡рд┐рд╖рдпреЛрдВ рдореЗрдВ рдЙрддреНрддреАрд░реНрдг рдЫрд╛рддреНрд░реЛрдВ рдХрд╛ рдкреНрд░рддрд┐рд╢рдд = 25% рдПрдЯреАрдХреНрдпреВ, рдХреЗрд╡рд▓ рдЕрдВрдЧреНрд░реЗрдЬреА рдореЗрдВ рдЙрддреНрддреАрд░реНрдг рдЫрд╛рддреНрд░реЛрдВ рдХрд╛ рдкреНрд░рддрд┐рд╢рдд = 60 - 25 = 35% рдХрд╛ рдкреНрд░рддрд┐рд╢рдд рд╡рд┐рджреНрдпрд╛рд░реНрдереА рдХреЗрд╡рд▓ рд╣рд┐рдВрджреА рдореЗрдВ рдЙрддреНрддреАрд░реНрдг рд╣реБрдП = 45 - 25 = 20% рдЗрд╕рд▓рд┐рдП, рдЕрдиреБрддреНрддреАрд░реНрдг рдЫрд╛рддреНрд░реЛрдВ рдХрд╛ рдкреНрд░рддрд┐рд╢рдд = 100 - (35 + 25 + 20) = 100 - 80 = 20%ред

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Answer : 1. "189"
Explanation :

Answer: A) 189 рд╕реНрдкрд╖реНрдЯреАрдХрд░рдг: рджреА рдЧрдИ рд╕рдВрдЦреНрдпрд╛ рд╢реНрд░реГрдВрдЦрд▓рд╛ 10, 21, 54, 109, 189 рд╣реИ рд╢реНрд░реГрдВрдЦрд▓рд╛ рдПрдХ рдкреИрдЯрд░реНрди рдХрд╛ рдЕрдиреБрд╕рд░рдг рдХрд░рддреА рд╣реИ рдХрд┐ 10 + 11 = 21 21 + 33 = 54 54 + 55 = 109 109 + 77 = 186 рдЗрд╕рд▓рд┐рдП рджрд┐рдП рдЧрдП рдореЗрдВ рдЧрд▓рдд рд╕рдВрдЦреНрдпрд╛ рд╕рдВрдЦреНрдпрд╛ рд╢реНрд░реГрдВрдЦрд▓рд╛ 189 рд╣реИред

Q: 5 boys and 3 girls can together cultivate a 23 acre field in 4 days and 3 boys and 2 girls together can cultivate a 7 acre field in 2 days. How many girls will be needed together with 7 boys, if they cultivate 45 acres of field in 6 days? 2378 0

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

Answer: C) 2 Explanation: Let workdone 1 boy in 1 day be b and that of 1 girl be g From the given data, 4(5b + 3g) = 23 20b + 12g = 23 .......(a) ┬а 2(3b + 2g) = 7 6b + 4g = 7 ........(b) ┬а Solving (a) & (b), we get b = 1, g = 1/4 ┬а Let number og girls required be 'p' 6(7 x 1 + p x 1/4) = 45 => p = 2. ┬а Hence,┬аnumber of girls required = 2

Q: In how many ways the word 'SCOOTY' can be arranged such that 'S' and 'Y' are always at two ends? 2805 0

  • 1
    720
    Correct
    Wrong
  • 2
    360
    Correct
    Wrong
  • 3
    120
    Correct
    Wrong
  • 4
    24
    Correct
    Wrong
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Answer : 4. "24"
Explanation :

Answer: D) 24 Explanation: Given word is SCOOTY ATQ, Except S & Y number of letters are 4(C 2O's T) Hence, required number of arrangements = 4!/2! x 2! = 4! = 4 x 3 x 2 = 24 ways.

Q: The ratio of KтАЩs and MтАЩs ages is 4: 5. If the difference between the present age of M and the age of K, 5 years hence is 3 years, then what is the difference and total of present ages of K and M? 2068 0

  • 1
    8, 72 yrs
    Correct
    Wrong
  • 2
    16, 65 yrs
    Correct
    Wrong
  • 3
    12, 84 yrs
    Correct
    Wrong
  • 4
    10, 60 yrs
    Correct
    Wrong
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Answer : 1. "8, 72 yrs"
Explanation :

Answer: A) 8, 72 yrs Explanation: Let the present ages be K,M Given K/M = 4/5 5K - 4M = 0 ......(1) Also given that, M - (K + 5) = 3 M - K = 8 .........(2) Then, by solving (1) & (2) M = 40 yrs and K = 32 yrs Hence, Total of ages = 40 + 32 = 72 yrs Difference of ages = 40 - 32 = 8 yrs.

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