# 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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