RRB ALP 2018 Practice Test Papers | Arithmetic Questions (Day-15)

Dear Aspirants, Here we have given the Important RRB ALP & Technicians Exam 2018 Practice Test Papers. Candidates those who are preparing for RRB ALP 2018 can practice these Arithmetic Questions to get more confidence to Crack RRB 2018 Examination.

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RRB ALP & Technician | Aptitude Day-15

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  1. A cake was divided among few boys and one girl. One-eighth of the cake was given to the girl and rest was equally divided among boys. If each of the kids got an equal amount of cake, then what was the number of boys?
  1. 8
  2. 10
  3. 4
  4. 7
  1. 652134 – 98526 = 9865 +?
  1. 543743
  2. 375443
  3. 543744
  4. 543773
  1. 2035 ÷ 37 × 2 + 90 =?
  1. 150
  2. 200
  3. 220
  4. 110
  1. The sum of two numbers in the ratio of 5: 9 is 266. Find out the difference between them.
  1. 24
  2. 38
  3. 46
  4. 76
  1. What is the sum of all the internal angles of a polygon with ‘8’ sides?
  1. 360o
  2. 180o
  3. 720o
  4. 1080o
  1. If the cost price of 40 chairs is equal to the selling price of 50 chairs, then loss percentage is
  1. 20%
  2. 16.66%
  3. 22.22%
  4. 33.33%
  1. Ramesh and Suresh started a business of tiles investing Rs.30000 and Rs.50000, respectively. Find the share of Ramesh if they had an annual profit of Rs.44000 after 1 year?
  1. Rs.27000
  2. Rs.16500
  3. Rs.27500
  4. Rs.28000
  1. A vendor marks the price of an item at Rs.30. Find the cost price if after allowing a discount of 20%, he still gains 30% on the cost price.
  1. Rs.20
  2. Rs.15.36
  3. Rs.18.26
  4. Rs.18.46
  1. How many triangles can be formed by joining 21 points in a plane if there are 6 collinear points?
  1. 1310
  2. 1804
  3. 1540
  4. 1236
  1. A fraction is such that when 5 is added to both numerator and denominator, it becomes half. If numerator and denominator are in the ratio of 1: 7, then what is the fraction?
  1. 2/7
  2. 1/7
  3. 1/5
  4. 2/5

Solution:

  1. Answer: (d)

Portion of cake divided among boys is 1 -1/8=7/ 8 .

Since each got one-eighth part of the cake, number of boys = 7/8 /1 /8 = 7.

  1. Answer: (a)

652134 – 98526 = 553608

553608 = 9865 +?

? = 553608 – 9865 = 543743

  1. Answer: (b)

2035 ÷ 37 × 2 + 90 = 55 × 2 + 90 = 110 + 90 = 200

  1. Answer: (d)

Let the two numbers be 5x and 9x. According to the condition, 5x + 9x = 266

x = 19

Therefore, the required difference between the numbers is 9x – 5x = 4x = 4(19) = 76

  1. Answer: (d)

Sum of all interior angles of a polygon of ‘n’ sides is (n–2) × 180o. So, for ‘8’ sides, it is 6 × 180o = 1080o.

  1. Answer: (a)

50 × S.P. of 1 article = 40 × C.P. of 1 article

S.P. of 1 article = 40 /50 × C.P. of 1 article

S.P. = 0.80 C.P. = 80% of C.P.

Loss percentage = 20%

  1. Answer: (b)

Ratio of investment of Ramesh and Suresh = 30000: 50000 = 3: 5

Ramesh’s share = 44000 × 3 /(3 +5)  = (44000 × 3/8) =16500

8.Answer: (d)

M.P = Rs. 30

S.P = M.P – Discount

S.P = 30 – 20% of 30 = Rs. 30 – 6 = Rs. 24

Gain% = 30%

Let cost of the item = C

According to the question, C + 30% of C = S.P

1.3 C = 24

C = Rs. 18.46

  1. Answer: (a)

Number of the triangles which can be formed by joining 21 points in a plane = 21 C3

But out of these 21 points, 6 points are collinear.

Number of possible triangles = 21 C3 – 6 C3 = 1330 – 20 = 1310

  1. Answer: (b)

Let the numerator and denominator be x and 7x. Now, (x+5)/(7x+5)=1/2

So, the fraction is 1/7 .

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