Maths (Aptitude)

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1)   25 times the square of 125 will be

  • [A] square of 125
  • [B] 5 times the square of 25
  • [C] 125 times the square of 25
  • [D] 25 times the square of 25

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square of 125

2)   A map has been drawn to the scale 5mm per 15 km. Two places have been shown in the map at a distance of 73.mm. How far are they from each other ?

  • [A] 21.9 km
  • [B] 9.21 km
  • [C] 22.3 km
  • [D] 22.5 km

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21.9 km

3)   Which among the following numbers is both a square and cube ?

  • [A] 16
  • [B] 8
  • [C] 32
  • [D] 64

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64

4)   If 100 persons do 100 units of work in 100 days. then in how many days one person will do one unit of work ?

  • [A] 100 days
  • [B] 75 days
  • [C] 125 days
  • [D] 50 days

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100 days

5)   The average age of 6 members of a family is 25 years. If a member of the family, 45 years in age goes away, then what will be the average age ?

  • [A] 19 years
  • [B] 21 years
  • [C] 23 years
  • [D] 17 years

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19 years

6)   A train running at the speed of 30 m/sec takes 30 seconds to cross a platform 600 meters in length. What is the length of the train in meter ?

  • [A] 150m
  • [B] 200m
  • [C] 250m
  • [D] 175m

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200m

7)   Sunil gets 10% more marks than Akbar. By what percentage is Akbar marks less than that of Sunit ?

  • [A] 9 %
  • [B] 100/9 %
  • [C] 10 %
  • [D] 100/11 %

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100/9 %

8)   10 years ago Ramesh father was four times the age of Ramesh. 10 years later his age will be twice. What is the age of Ramesh ?

  • [A] 20 years
  • [B] 21 years
  • [C] 22 years
  • [D] 23 years

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22 years

9)   A person sells an article at Rs 8000 at the loss of 1/5 of the cost price. What was the cost price of the Article ?

  • [A] Rs 9600
  • [B] Rs 8000
  • [C] Rs 10,000
  • [D] Rs 6400

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Rs 10,000

10)   The incomes of two persons are in the ratio of 3:5. If each gets a raise of Rs20 , then this ratio becomes 13:21. What were their original incomes ?

  • [A] Rs 120 ; Rs 200
  • [B] Rs 120 ; Rs 225
  • [C] Rs 240 ; Rs 450
  • [D] Rs 240 ; Rs 400

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Rs 240 ; Rs 400

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