Time and Distance [NRA CGL (National Recruitment Agency-Combined Graduate Level) Mathematics]: Questions 12 - 17 of 27

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Question 12

Time and Distance
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Question

MCQ▾

A man goes from Pune to Bangalore at a uniform speed of 30 km/hr and comes back to Pune at a uniform speed of 50 km/hr. his average speed for the whole journey is:

Choices

Choice (4)Response

a.

48.6 km/hr

b.

37.5 km/hr

c.

55 km/hr

d.

50.8 km/hr

Passage

The table given below shows survey carried out at Mumbai Railway Station for the arrivals/departures of trains for the month of January 2016. Study the table and answer the following questions:

Table shows Mumbai Railway Station for the arrivals of Train

Delay (in min. )

Number of arrivals

Numbers of departures

0

1600

1800

0 - 30

165

156

30 - 60

25

130

Over 60

10

14

total

1800

2100

Question 13 (1 of 2 Based on Passage)

Time and Distance
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Question

MCQ▾

If the punctuality of railways is defined as the number of occasions on which trains arrived on departed in time as a percentage of total number of arrivals and departures from the station, then the punctuality for the month under observation is

Choices

Choice (4)Response

a.

b.

c.

d.

Question 14 (2 of 2 Based on Passage)

Time and Distance
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Question

MCQ▾

The total number of late departures of trains is

Choices

Choice (4)Response

a.

300

b.

268

c.

335

d.

400

Passage

The table given below shows survey carried out at Mumbai Railway Station for the arrivals/departures of trains for the month of January, 2016. Study the table and answer the following questions:

Table shows Mumbai Railway Station for the arrivals of Train

Delay (in min. )

Number of arrivals

Numbers of departures

0

2000

2250

0 - 30

178

56

30 - 60

36

48

Over 60

36

46

total

2250

2400

Question 15 (1 of 2 Based on Passage)

Time and Distance
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Question

MCQ▾

If the punctuality of railways is defined as the number of occasions on which trains arrived on departed in time as a percentage of total number of arrivals and departures from the station, then the punctuality for the month under observation is

Choices

Choice (4)Response

a.

b.

c.

d.

Question 16 (2 of 2 Based on Passage)

Time and Distance
Edit

Question

MCQ▾

The total number of late departures of trains is

Choices

Choice (4)Response

a.

268

b.

456

c.

358

d.

150

Question 17

Time and Distance
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Question

MCQ▾

Starting from his house one day, a student walks at a speed of 2.5 km/hr and reaches his school 5 minutes late. Next day at the same time he increases his speed by 5 km/hr and reaches the school 15 minutes early. How far is the school from his house?

Choices

Choice (4)Response

a.

b.

c.

d.