Data Interpretation Quiz for SBI Clerk Pre, IBPS Clerk, LIC Assistant, RBI Assistant with PDF at Smartkeeda

Directions: Study the table to answer the given questions:

Number of cars sold (in thousand) by 5 showrooms during 5 months
 
Month Showroom
A B C D E
March 154 180 156 215 237
April 167 199 179 181 254
May 191 219 211 163 263
June 205 198 259 165 181
July 215 231 230 178 250

1
What is the average number of cars sold (in thousand) by showroom C in all the given months together?
» Explain it
A

Reqd avg

=    156 + 179 + 211 + 259 + 230
5

=    1035
5

=   207 thousand


Hence, option A is correct.

2
By what percent the number of cars sold by showroom B increase from March to July?
» Explain it
B

Reqd %

=    231 – 180  × 100
180
=    51× 100
180

=   28.33%


Hence, option B is correct.

3
The number of cars sold by showroom E increased by 8% from July to August and by 20% from August to September. How many cars were sold (in thousand) by store E in September?
» Explain it
C
No. of cars sold by showroom E in July = 250 

Now, as two percentage transactions are incurring on one specific base value we can apply the net % effect formula to get to know the overall % increase. 

Net % effect = x + y + (xy)/100

Putting the values we get,

Net % effect = 8 + 20 + (8 x 20)/100 = 29.6%

Therefore, the number of cars sold by E in September = 129.6% of 250 = 324

Hence, option C is correct.
 
4
The total number of cars sold by all the given stores together in August was 7/9 of the total number of cars sold by all the given stores together in June. How many cars were sold (in thousand) by all the given stores together in August itself?
» Explain it
C

The number of cars sold by all stores in August

=   7  of (Cars sold by all stores in June)
9

=    7  × (205 + 198 + 259 + 165 + 181)
9

=    7  × 1008 = 7 × 112 = 784
9


Hence, option C is correct.

5
The no. of cars sold by showroom D in July is approximately what percent more than the number of cars sold by show room A in March?
» Explain it
E

Reqd %

=    178 – 154  × 100
154

=    24 × 100
154

=   15.6%


Hence, option E is correct.


Data Interpretation for IBPS Clerk Pre, SBI Clerk Pre, LIC Assistant and RBI Assistant

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