Data Interpretation Practice Set for RBI Grade B Part 5

The given line diagram shows the revenue generated by five telecom companies through prepaid and postpaid services. The table shows percentage break-up of the revenue generated through Prepaid and Postpaid services in Rural and Urban areas.

Company ↓	Prepaid		Postpaid
	Urban	Rural	Urban	Rural
LOL	60	40	80	20
ROFL	70	30	50	50
LMAO	90	10	70	30
IMAO	80	20	60	40
PMSL	50	50	90	10

Question 1. 

How many of the given companies dominate LOL if a company is said to dominate if its total revenue is more than the other companies in both Prepaid and Postpaid services together?
(a) 0
(b) 1
(c) 2
(d) 3
(e) none of these

Question 2.

What is the absolute difference between (in million Rs) between the revenue generated by all companies in prepaid services and postpaid services? 
(a) 0.25
(b) .35
(c) 0.5
(d) 0.65
(e) 0.75

Question 3.

What is the absolute difference between (in million Rs) between the revenue generated by five companies in prepaid services in rural areas & in urban areas by postpaid services?
(a) 3.5
(b)4.5
(c) 5.5
(d) 6.5
(e) none of these

Question 4.

The revenue generated by LOL & ROFL in rural areas by both prepaid & postpaid services is what percentage more/less than the revenue generated by LMAO in the urban area by prepaid services?
(a ) 21%
(b) 27%
(c) 35%
(d) 15%
(e) none of these

Data Interpretation Practice Set for RBI Grade B Part 4

Question 5.

The revenue generated by LMAO, IMAO & PMSL in rural areas by prepaid services is what percentage more/less by a company named LMAFO whose total revenue is 40% of the revenue generated by all the five companies by prepaid services?
(a) 5.5% More
(b) 5.5% Less
(c) 4.5 more
(d) 4.5% less
(e) none of these.

Solution 

Ans. 1

Total revenue of both prepaid & post-paid services by,
⇒ LOL= 6.7
⇒ ROFL=6.9
⇒ LMAO= 5.5
⇒ IMAO= 7.3
⇒ PMSL= 7.4
Therefore, 3 companies have revenue more than LOL.

Ans. 2.

Total revenue by prepaid services= 4.3+2.5+3.7+4.5+3.2= 16.1
Total revenue by postpaid services= 2.4+4.4+1.8+2.8+4.2=15.6
Difference= 0.5

Ans. 3.

total revenue in rural areas by prepaid services= 4.4×40%+2.5×30%+3.7×10%+4.5×20%+3.2×50%=5.38
Total revenue in urban areas by postpaid services= 2.4×80%+4.4×50%+1.8×70%+2.8×60%+4.2×90%=10.84
Difference= 5.46

Ans. 4.

LOL & ROFL in rural areas =4.3×40%+2.4×205+2.5×30%+4.4×50%=5.15
LMAO in urban areas by prepaid services= 4.5×90% =4.05
therefore required %= ^1.1/₄×100=27% approx.

Ans. 5.

In Rural areas by
LMAO= 3.7×10%= .37
IMAO= 4.5×20%= 0.9
PMSL=3.2×50% = 1.6
LMAFO=40%× 16.1 = 6.4
Thererfore Required %=

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