IBPS SO Prelims Exam Model Paper 10

Total number of travelers from Mumbai = 8000
Percentage of male travellers from Mumbai = 100 – 30 – 25 = 45%
⇒ Total number of male travellers from Mumbai =

45

100

× 8000 = 3600
Total number of travellers from Bangalore = 23700 – 6700 – 8000 = 9000
Percentage female travellers from Bangalore = 100 – 35 – 15 = 50%
⇒ Total number of female travellers from all three cities = 6700 ×

50

100

+ 8000 ×

30

100

+ 9000 ×

50

100

= 10250
Total number of children travelers from all three cities = 23700 – 9430 – 10250 = 4020
To find the percentage children from Delhi,
⇒

?

100

× 6700 +

25

100

× 8000 +

15

100

× 9000 = 4020
⇒ ? = 10%
Percentage number of male travellers from Delhi = 100 – 50 – 5 = 40%
Total number of male travellers from Delhi =

40

100

× 6700 = 2680
Summarising the data∴ Required difference = 1350 – 670
= 680