# RRB ALP 2018 Practice Test Papers | Arithmetic Questions (Day-14)

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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1. A train passes a 100 m long platform in 25 seconds. If it is travelling at a speed of 54 km/hour, then what is the length of the train?
1. 275 m
2. 250 m
3. 300 m
4. 315 m
1. If x = –3, y = –4 and z = 5, then what will be the value of x3 + y3 + z3?
1. –34
2. –50
3. 34
4. 50
1. The age of a girl becomes three times of what it is now after 20 years. How old will she be after 10 years?
1. 20 years
2. 25 years
3. 30 years
4. 15 years
1. What is the difference between the LCM and HCF of 20, 30 and 50?
1. 310
2. 290
3. 300
4. 100
1. Which of the following will replace ‘?’ in the series given below?

2, 9, 28, 65,?, 217, 344, 513

1. 125
2. 124
3. 126
4. 120
1. Ram left his house for office at 5 km/h and reached 10 minutes earlier. Had he travelled at 4 km/h, he would have been 5 minutes late. What is the distance between Ram’s house and office?
1. 6 km
2. 5 km
3. 4 km
4. 10 km
1. Cost of 5 copies and 4 books is Rs.75. Cost of 6 copies and 2 books is Rs.55. What will be the cost of 7 copies and 4 books?
1. Rs.35
2. Rs.50
3. Rs.75
4. Rs.85
1. 403200 should be multiplied or divided by which of the following to become a perfect square?
1. 3
2. 7
3. 4
4. 8
1. If 12 men or 16 women can finish a piece of work in 19 days, then in how many days will 5 men and 6 women finish the same piece of work?
1. 12 days
2. 24 days
3. 19 days
4. 20 days
1. In which of the following numbers, the difference between two consecutive digits are in AP ?
1. 3456
2. 1324
3. 1245
4. 2467
1. Answer: (a)

Let the length of the train be l m.

Speed of the train = 54×5/18= 15 m/ s

Now, (l +100)/15= 25

l =375- 100= 275 m

1. Answer: (c)

x3 + y3 + z3= (–3)3 + (–4)3 + 53 = – 27 – 64 + 125 = 34

1. Answer: (a)

Let the current age of the girl be x. So, x + 20 = 3x

2x = 20

x = 10 years

The age of the girl after 10 years = 10 + 10 = 20 years

1. Answer: (b)

LCM of 20, 30 and 50 is 300. HCF of 20, 30 and 50 is 10. Difference between LCM and HCF = 300 – 10 = 290

1. Answer: (c)

The series follows the structure (n3 + 1), where n denotes natural numbers starting from 1.

So, ? = 53 + 1 = 126.

1. Answer: (b)

Let the distance between Ram’s house and office be d km. Now, Time taken to travel the distance at 5 km/h = d /4 Time taken to travel the distance at 5 km/h = d/5

Difference between the times taken = 10 + 5 = 15 minutes=1/4 h

d/4-d/5=1/4

d/20=1/4

d=5 km

1. Answer: (d)

Let cost of 1 copy and 1 book be a and b, respectively.

5a + 4b = 75………………(1)

6a + 2b = 55………………(2)

Subtracting (1) from twice of (2), we get, 7a = 35, a = 5 ,b = 12.5

Cost of 7 copies and 4 books = 5 × 7 + 12.5 × 4 = 85

1. Answer: (b)

403200 = (2)8 × 32 × (5)2 × 7. So, by either multiplying or dividing by 7, 403200 will become a perfect square.

1. Answer: (b)

12 men = 16 women

1 man =4/3 women

Therefore, 5 men and 6 women means 20/3+6 women=38/3 women

Suppose 38/3 women  finish the job in d days.

So, 38/3xD=16×19= 24 days

1. Answer: (a)

In 3456, the difference between each term is constant. So the differences between two consecutive digits are in AP with common difference 1.

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