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Aptitude Test 230
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Aptitude Test 230
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  • Question 1/10
    1 / -0.33

    A train having a length of 500 m passes through a tunnel of 1000 m in 1 minute. What is the speed of the train in Km/hr?

    Solutions

    Total distance which have to be covered by the train =500+1000=1500m=1.5km Time =1 minute =1/60 hour

    distance = speed x time 1.5=speed × 1/60

    speed = 90km/hr

     

  • Question 2/10
    1 / -0.33

    X is 5 ft tall and he notices that he casts a shadow that's 3 ft long. He then measures that the shadow cast by his school building is 30 ft long. How tall is the building?

    Solutions

    The ratio of original height to height of shadow is 5 : 3

    Therefore 3x = 30 

    x = 10

    Hence , Height of building is 5  × 10 = 50 ft. 

     

  • Question 3/10
    1 / -0.33

    Working alone, A can do a job in 15 days and B can do the same job in 18 days. In how many days will the job be completed if both work together?

    Solutions

    A can do a job=15 days and B can do the same job =18 days. (A+B)′ s1 day job = 1/15 + 1/18 = 6+5/90 = 11/90

    They can complete the whole work in 90/11 days.

     

  • Question 4/10
    1 / -0.33

    P is twice as efficient as Q. Q takes 12 days to complete a job. If both of them work together, how much time will they take to complete the job?

    Solutions

    Let Q complete in x unit/day and P complete 2x unit/day. 

    Total work = days X 

    per day work =12× unit

     P+Q takes   = totalwork / perdayeffeciency = 12 / x+2x = 4days

     

  • Question 5/10
    1 / -0.33

    Solutions

     

  • Question 6/10
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    find the value of 

    Solutions

     

  • Question 7/10
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    Solutions

     

  • Question 8/10
    1 / -0.33

    If ΔPQR and ΔLMN are similar and 1.5PQ = LM and MN=4.5cm, then is QR equal to:

    Solutions

     

  • Question 9/10
    1 / -0.33

    AB is a chord of length 16 cm of a circle of radius 10 cm. The tangent at A and B intersect at a point P. Find the length of PA.

    Solutions

     

  • Question 10/10
    1 / -0.33

    Michelle has the following data:14, 6, 12, 17, 21, 10, 4, 3. What is the range?

    Solutions

    The difference between the highest and lowest observations in a

    given data is called its Range.

    14, 6, 12, 17, 21, 10, 4, 3

    Range =21-3=18

     

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