Monday, December 28, 2015

Quest for Clerk : DI Practice Questions

Directions (Q.1-5): Read the information carefully and answer the questions given below. The table given below shows a survey carried out at a railway station for the arrivals/departures of trains for the month of January, 2000.

1. The total number of late arrivals of trains is
90
95
145
150
None of these
Answer : (d) Total number of late arrivals=114+31+5=150

2. The total number of late departures of trains is
85
87
90
150
None of these
Answer : (c) Total number of late departures=82+5+3=90

3. The percentage of number of trains arriving late at the station is
10%
10.4%
10.4%
10.9%
None of these
Answer : (c) Required percentage=150/1400×100=10.7%

4.If the punctuality of railways is defined as the number of occasions on which trains arrived or departed in time as a percentage of total number of arrivals and departures from the station, then the punctuality for the month under observation 
94.3%
91.7%
89.2%
75%
None of these
Answer : (b) Required percentage=(1250+1400)×100/(1400+1490)
                 =2650×100/2890=91.7%


Directions (Q. 5-9): Study the following table carefully and answer the questions given below. Number of tickets sold in a week of five movies in the multiplexes in six different cities (number in thousands) 
5. The number of tickets of movie B sold in Hyderabad was approximately, what per cent of the total number of tickets of the same movie sold in all the cities together?
15
18
12
20
24
Answer : (e) Total number of tickets of movie B sold in all the cities together=15+19+24+21+34+27 =140 thousand
 Number of tickets sold of movie B in Hyderabad=34 thousand
 So, required percentage=34×100/140≈24

6. What is the difference between the number of tickets of movie D sold in Kolkata and the number of tickets of movie B sold in Lucknow?
700
7000
14000
9000
None of the above
Answer : (e) Number of tickets sold of film D in Kolkata=21000
 Number of tickets sold of film B in Lucknow=27000
 So, required difference=27000-21000=6000

7. What is the average number of tickets of movie C sold in all the six cities?
15500
2550
24000
25500
None of the above

Answer : (d) Total number of tickets of movie C sold in all cities=35+21+19+32+26+20=153 thousand
 So, required average=153000/6=25500
8. The number of tickets of movie E sold in Chennai is what per cent of number of tickets movies A sold in Mumbai?
170
70
30
130
None of the above
(a) Number of tickets sold of movie E in Chennai=34 thousand
Number of tickets sold of movie A in Mumbai=20 thousand
 So, required percentage=34×100/20=170

9. In which city was the total number of tickets of all the five movies together sold the minimum?
Delhi
Chennai
Lucknow
Kolkata
None of these
(a) Total number of tickets sold in Mumbai=114 thousand
Total number of tickets sold in Delhi=110 thousand
Total number of tickets sold in Kolkata=113 thousand
Total number of tickets sold in Chennai=133 thousand
Total number of tickets sold in Hyderabad=127 thousand
Total number of tickets sold in Lucknow=123 thousand
So, lowest tickets sold in Delhi.

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