Quantitative Aptitude Practice Question and Answer

Q: Given that on 9th August 2016 is Saturday. What was the day on 9th August 1616 ? 3000 0

  • 1
    Saturday
    Correct
    Wrong
  • 2
    Sunday
    Correct
    Wrong
  • 3
    Friday
    Correct
    Wrong
  • 4
    Monday
    Correct
    Wrong
  • Show AnswerHide Answer
  • Workspace

Answer : 1. "Saturday"
Explanation :

Answer: A) Saturday Explanation: We know that, After every 400 years, the same day occurs.Thus, if 9th August 2016 is Saturday, before 400 years i.e., on 9th August 1616 has to be Saturday.

Q: What is better, to have 70% discount or 40 and 30% discount consequently ? 2998 0

  • 1
    40% is better
    Correct
    Wrong
  • 2
    70% is better
    Correct
    Wrong
  • 3
    Both are same
    Correct
    Wrong
  • 4
    None
    Correct
    Wrong
  • Show AnswerHide Answer
  • Workspace

Answer : 2. "70% is better"
Explanation :

Answer: B) 70% is better Explanation: Let Price be Rs.100 1st CASE: Then 100 x 70/100 = 70=> price after discount = 100-70 = Rs.30 2nd CASE: Then 100 x 40/100 = 40=> price after discount = 100-40 = Rs.60then60 x 30/100 = 18=> price after 2 consequent discount = 60-18 = Rs.42 =>from 1 and 2 cases, 70% discount is better.

Q: If the sides of a triangle are 26 cm, 24 cm and 10 cm, what is its area ? 2986 0

  • 1
    108 sq.cm
    Correct
    Wrong
  • 2
    112 sq.cm
    Correct
    Wrong
  • 3
    116 sq.cm
    Correct
    Wrong
  • 4
    120 sq.cm
    Correct
    Wrong
  • Show AnswerHide Answer
  • Workspace

Answer : 4. "120 sq.cm"
Explanation :

Answer: D) 120 sq.cm Explanation: The triangle with sides 26 cm, 24 cm and 10 cm is right angled, where the hypotenuse is 26 cm. Area of the triangle =1/2 x base x height => 1/2 x 24 x 10 = 120 sq.cm

Q: Sony is one-fifth the age of her mother 15 years ago and SonyтАЩs brother is three-fifth the age of his mother 10 years ago. If the sum of Sony and her brotherтАЩs ages is 31 then how old is Sony's mother ? 2984 0

  • 1
    40
    Correct
    Wrong
  • 2
    50
    Correct
    Wrong
  • 3
    60
    Correct
    Wrong
  • 4
    70
    Correct
    Wrong
  • Show AnswerHide Answer
  • Workspace

Answer : 2. "50"
Explanation :

Answer: B) 50 Explanation: Sony and her brother's age sum is 31Let Sony's mother's age be 'x'.Now the conditions given for both of their ages related to their mom is1/5(x-15) + 3/5(x-10) = 31x-15 + 3x-30 = 1554x-45 = 1554x = 200x = 50So, Mother's age = 50. Cross verification : 15 years ago age = 35 => Sony age = 710 years ago age = 40 => bro age = 24 Sum = 24 + 7 = 31.

Q: A driver of auto rickshaw makes a profit of 20% on every trip when he carries 3 passengers and the price of petrol is Rs. 30 a litre. Find the % profit for the same journey if he goes for 4 passengers per trip and the price of petrol reduces to Rs. 24 litres ? 2977 0

  • 1
    68%
    Correct
    Wrong
  • 2
    80%
    Correct
    Wrong
  • 3
    75%
    Correct
    Wrong
  • 4
    100%
    Correct
    Wrong
  • Show AnswerHide Answer
  • Workspace

Answer : 4. "100%"
Explanation :

Answer: D) 100% Explanation: When 3 passengers income was 3xexpense= Rs.30┬аprofit =20% of 30 = Rs.6┬аThat means his earning is Rs.36. so that per passenger fare must be Rs.12. When 4 passengersearning = 12x4=Rs.48.expense =Rs.24.profit = Rs.24 = 100%

Q: The respective ratio between the speed of a bike, a van┬а and lorry is 3 : 5 : 2. The speed of the van is 250 percent of the speed of the lorry which covers 360 km in 12 hours. What is the average speed of the bike and the van together? 2951 0

  • 1
    60 kmph
    Correct
    Wrong
  • 2
    62 kmph
    Correct
    Wrong
  • 3
    64 kmph
    Correct
    Wrong
  • 4
    63 kmph
    Correct
    Wrong
  • Show AnswerHide Answer
  • Workspace

Answer : 1. "60 kmph"
Explanation :

Answer: A) 60 kmph Explanation: Speed of lorry = 36012 = 30 kmph Speed of van =250100┬аx┬а30 = 75 kmph Speed of bike = 35┬аx┬а75 = 45 kmph Therefore, now required average speed of bike and van┬а = 75┬а+┬а452= 60 kmph.

Q: A mixture of 70 litres of Fruit Juice and water contains 10% water. How many litres of water should be added to the mixture so that the mixture contains 12.5% water ┬а ? 2949 0

  • 1
    2 lit
    Correct
    Wrong
  • 2
    4 lit
    Correct
    Wrong
  • 3
    1 lit
    Correct
    Wrong
  • 4
    3 lit
    Correct
    Wrong
  • Show AnswerHide Answer
  • Workspace

Answer : 1. "2 lit"
Explanation :

Answer: A) 2 lit Explanation: Quantity of fruit juice in the mixture = 70 - [70 x (10/100) ]= 63 litres. ┬а After adding water, juice would form 87.5% of the mixture. ┬а Hence, if quantity of mixture after adding x liters of water, [(87.5) /100 ]*x = 63 => x = 72┬а ┬а Hence 72 - 70 = 2 litres of water must be added.

      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