Missing Data : Data interpretation Set for SBI PO

Study the table and answer the given question (1-5)
Data related to Journals uploaded by 5 Digital libraries during 3 years

Digital Libraries	Journals (both national and international) uploaded in 2001	Respective ratio of national to international journals uploaded in 2001	Journals (both national and international) uploaded in 2002	Respective ratio of national to international journals uploaded in 2002	Journals (both national and international) uploaded in 2003	Respective ratio of national to international journals uploaded in 2003
A	924	4 : 7	690	11 : 12	860	13 : 7
B	836	13 : 6	1176	9 : 5	1260	10 :11
C	918	10 : 17	884	10 : 7	924	5 : 7
D	806	8 : 5	585	4 : 5	722	10 : 9
E	792	11 : 7	1035	10 :13	979	5 : 6

1.The average number of national journals uploaded from A and D in the year 2001 is what percent of number of international journals uploaded in c from 2001?(approx) a. 90
b. 95
c. 86
d. 72
e .80

2. What is the respective ratio between total number of journals (both national and international) uploaded by digital libraries C and E together in 2001 and total number of journals (both national and international) uploaded by digital libraries D and E together in 2002 ?
a .21 : 20
b. 17 : 16
c. 13 : 12
d. 19 : 18
e. 23 : 22

3. Only 25% of journals (both national and international) uploaded by digital library E in 2001 were related to Sociology. If 100 national journals uploaded by digital library E in 2001 were related to sociology, how many international journals uploaded by the same library in the same year were related to sociology ? a. 200
b. 100
c. 98
d. 92
e. 120

4. Digital library D had to purchase 80% of international journals uploaded by it in 2002 It the average cost per international journal purchased by digital library D in 2002 was Rs.396. What was the amount spent by digital library D in purchasing international journals in 2002 ? a.Rs. 1,09,6707
b.Rs. 1,02,960
c.Rs. 1,08,940
d.Rs. 1,04,240
e.Rs.1,06,360

5. What is the total number of International journals uploaded by all the given digital libraries in 2001 ? a.2048
b.2254
c.2086
d.2188
e.1992

ANSWERS:

1. d
2. d
3. c
4. b
5. a

Solutions & explanation:

1.d
National journals uploaded A in the year 2001=924× 4/11
=336
National journals uploaded D in the year 2001=806× 8/13
=496
Avg of A &D= (336+496)/2=416
International journals uploaded in C in the year 2001=918×17/27
=578
Required percentage=(416/578)=71.97=~72

2.d
(both national and international) uploaded by digital libraries C and E together 2001=918+792
=1710
(both national and international) uploaded by digital libraries D and E together in 2002 = 1620
Ratio=1710 : 1620
19 : 18

3.c
uploaded by digital library E in 2001 were related to Sociology=792×25/100=198
If 100 jounals are national are related sociology In the year 2001
International journals uploaded related to sociology =198-100
= 98

4.b
international uploaded by digital libraries D in the year 2002 =585×5/9
=325
D had to purchase 80% of international journals in the year2002=325×80/100=260
The cost each journal is=396
Total cost=396×260=102960

5.a
total number of International journals uploaded by all the given digital libraries in 2001 =(924×7/11+836×6/19+918×17/27+806×5/13+792×7/18)
=2048

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