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PRIYANKA PAL

· started a discussion

· 1 Months ago

solution (Question: 88297.3 )

explanation is not cleared....

Question:

DIRECTION: Answer the questions based on the following information.

 

The following data refers to a survey carried out in the four cities of Mumbai, Delhi, Kolkata and Chennai with regard to the number of children in each family.

Families having children less than

Number of families surveyed

 

Mumbai

Delhi

Kolkata

Chennai

1

100

75

60

80

2

150

150

120

100

3

250

200

200

150

4

450

350

300

200


What is the ratio of the number of families having exactly two children in Chennai to number the number of children in the families which have exactly three children in Mumbai?
Options:
A) 2 : 9
B)  1 : 6
C)  1 : 12
D) 2 : 11
E) None of these
Solution:
Ans: (c) Number of families having two children in Chennai = 50
Number of children in the families having 3 children in Mumbai = 200 × 3 = 600    
Required Ratio = 50 : 600 = 1 : 12

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