Maths Practice Question and Answer

Q: A shopkeeper earns a profit of 10% after allowing a discount of 20% on the marked price. The cost price of the article whose marked price is Rs. 880, is 1973 1

  • 1
    Rs. 704
    Correct
    Wrong
  • 2
    Rs. 640
    Correct
    Wrong
  • 3
    Rs. 774
    Correct
    Wrong
  • 4
    Rs. 680
    Correct
    Wrong
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Answer : 2. " Rs. 640"
Explanation :

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Q:

Directions: The following graph gives Sales, Expense and Capital of a company for a period of five years 1994 to 1998. Read the graph and answer the following questions.

What has been the simple average growth rate per annum of expense between 1994 and 1998?

1972 0

  • 1
    25%
    Correct
    Wrong
  • 2
    33%
    Correct
    Wrong
  • 3
    40%
    Correct
    Wrong
  • 4
    130%
    Correct
    Wrong
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Answer : 1. "25%"

Q:

Aarif, Arun and Abraham can do a work in 12, 20 and 24 days, respectively. They all begin together. Aarif leaves the work 1 day, Arun 3 days and Abraham 4 days before its completion. In how many days is the work finished?

1972 0

  • 1
    11
    Correct
    Wrong
  • 2
    10
    Correct
    Wrong
  • 3
    8
    Correct
    Wrong
  • 4
    9
    Correct
    Wrong
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Answer : 3. "8"

Q:

Divide Rs.198 in the ratio 2:3:5:8 The rupees in the respective ratios are given by: 

1972 0

  • 1
    22, 33, 54 & 89
    Correct
    Wrong
  • 2
    22,33, 56 & 87
    Correct
    Wrong
  • 3
    22, 33, 55 & 88
    Correct
    Wrong
  • 4
    22, 34, 54 & 88
    Correct
    Wrong
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Answer : 3. "22, 33, 55 & 88 "

Q:

A and B can together complete a task 40 days. They worked together for 30 days and then left. A finished the remaining task in next 22 days. In how many days A alone can finish the task?

1971 0

  • 1
    88 days
    Correct
    Wrong
  • 2
    48 days
    Correct
    Wrong
  • 3
    30 days
    Correct
    Wrong
  • 4
    40 days
    Correct
    Wrong
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Answer : 1. "88 days"

Q:

The ratio between the present ages of P and Q is 3:4 respectively. 4 years hence Q will be 5 year older than P. What is P’s present age?

1971 0

  • 1
    15 year
    Correct
    Wrong
  • 2
    20 year
    Correct
    Wrong
  • 3
    25 year
    Correct
    Wrong
  • 4
    Cannot be determined
    Correct
    Wrong
  • 5
    None of the above
    Correct
    Wrong
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Answer : 1. "15 year"

Q:

Direction : What should come in place of the question (?) in the following question.

916 ×?×3=214344

1970 0

  • 1
    78
    Correct
    Wrong
  • 2
    68
    Correct
    Wrong
  • 3
    84
    Correct
    Wrong
  • 4
    66
    Correct
    Wrong
  • 5
    None of these
    Correct
    Wrong
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Answer : 1. "78"

Q: A boat running upstream takes 8 hours 48 minutes to cover a certain distance, while it takes 4 hours to cover the same distance running downstream. What is the ratio between the speed of the boat and speed of the water current respectively? 1970 0

  • 1
    7:4
    Correct
    Wrong
  • 2
    11:4
    Correct
    Wrong
  • 3
    4:7
    Correct
    Wrong
  • 4
    8:3
    Correct
    Wrong
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Answer : 4. "8:3"
Explanation :

Answer: D) 8:3 Explanation: Let the speed of the boat upstream be p kmph and that of downstream be q kmph   Time for upstream = 8 hrs 48 min = 845hrs   Time for downstream = 4 hrs   Distance in both the cases is same.   => p x  845= q x 4   => 44p/5 = 4q   => q = 11p/5    Now, the required ratio of Speed of boat : Speed of water current   = q+p2:q-p2   => (11p/5 + p)/2  : (11p/5 - p)/2   => 8 : 3

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