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Railway Express Aptitude Test 143
Result
Railway Express Aptitude Test 143

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  • Question 1/10
    1 / -0.33
    If and y>1, then find the value of ?
    Solutions
    Given 

  • Question 2/10
    1 / -0.33
    What is greatest four digit number which is completely divisible by 9, 12, 24 and 32?
    Solutions
    L.C.M of (9, 12, 24 and 32) = 32 x 9 = 288

    Required highest four-digit number = highest four-digit number  - {remainder left when 9999 divided by 288}
    So, 9999 - 207 = 9792 
  • Question 3/10
    1 / -0.33
    Find the distance of the point (6, -6) from origin.
    Solutions
    Co-ordinate of origin is (0, 0). Hence distance between (0, 0) and (6, -6)


    = 6
  • Question 4/10
    1 / -0.33
    What will be the amount on Rs 12500 at the rate of 20% per annum compounded yearly for 3 years?
    Solutions
    Given: P = Rs.12500, r = 20% and n = 3 years
    We know that,



    = Rs.21600
  • Question 5/10
    1 / -0.33
    At 19% discount the selling price of a freezer is Rs 24000, what is the selling price if the discount is 32.5%
    Solutions
    We know that,


    = Rs20000
  • Question 6/10
    1 / -0.33
    The area of a triangle ABC is 10.8 cm2. If CP = PB and 2AQ = QB then the area of the triangle APQ is:
    Solutions

    Let the total area of ABC be 6, then,
    area of ABP = area of ACP = 3
    area of APQ : area of BPQ = 1:2
    area of APQ = 1
    area of APQ = (1/6)* area of ABC
    area of APQ = (1/6)*10.8
    area of APQ = 1.8
  • Question 7/10
    1 / -0.33
    20% discount is offered on an item. By applying a promo code the customer wins 10% cash back. What is the effective discount?
    Solutions
    Effective discount = x + y - xy/100

    = 20 + 10 -

    = 28%
  • Question 8/10
    1 / -0.33
    If 5x - 3 ≥ 3 + x/2 and 4x - 2 ≤ 6 + x; then x can take which of the following values?
    Solutions
    Taking first inequality,
    5x - 3 ≥ 3 + x/2
    ⇒ 10x – 6 ≥ 6 + x
    ⇒ 9x ≥ 12
    ⇒ x ≥ 4/3
    Taking second inequality,
    4x - 2 ≤ 6 + x
    ⇒ 3x ≤ 8
    ⇒ x ≤ 8/3
    Thus, the possible value of x = 2
  • Question 9/10
    1 / -0.33
    Which one is a factor of
    Solutions
    According to the fector rule is divisible by a+b where n is a odd number.
    Here 2427+3727is divisible by 24+37=61
  • Question 10/10
    1 / -0.33
    The average marks obtained by a student in 6 subjects is 88. On subsequent verification it was found that the marks obtained by him in a subject was wrongly copied as 86 instead of 68. The correct average of the marks obtained by him is:
    Solutions
    Required average:
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