Mission SBI PO 2017: Data Analysis& Interpretation

Mission SBI PO 2017: Data Analysis& Interpretation Practice Questions (Caselets) :
Dear Readers, Important Practice Aptitude Questions for SBI PO 2017 Exam was given here with Solutions. Aspirants those who are preparing for SBI PO and all other Competitive examination can use this.

 

 

 

Directions (Q 1-5): Study the following information carefully to answer the questions:

 

Details of population as recorded in a census were as given below:
       Population of state ‘P’ is 150% of the population of state ‘T’ and 80% of the population of state ‘U’. Population of state ‘Q’ is 60% of the population of state ‘V’ and Population of state ‘S’ is 125% of the population of state ‘R’. Population of U is 75 lakh, which is 80% of the population of state ‘V’ and 120% of the population of state ‘S’.
1). What is the ratio of the population of state Q to that of S?
a)  12: 13 
b)  11: 12 
c)  9: 10 
d)  7: 9 
e)  4: 5
2). What is the population of states Q and S together? (in lakh)
a)  118.75 
b)  112.65 
c)  106.85 
d)  112.25 
e)  108.25
3). What is the difference between the population of states P and V? (in lakh)
a)  38.5 
b)  33.75 
c)  35.75 
d)  35.5 
e)  32.75
4). Population of state R is what per cent of the population of state V?
a)  51×(1/3)  
b)  55×(2/3)
c)  52×(1/3)  
d)  54×(2/3) 
e)  53×(1/3)
5). Population of state P was found to have been increased by 25% from the previous census record. What was the population of state P as per previous census (in lakh)?
a)  42 
b)  41 
c)  45.25 
d)  42.5 
e)  48
Direction (Q. 6-10); Study the following information carefully to answer the question:
In a medical college there are 1600 students studying Dentistry and Homeopathy. Each student from each course knows one or more languages out of English, Hindi and Bengali. 45% of the students study Dentistry and the remaining students study Homeopathy.
Out the students studying Dentistry, boys and girls are in the ratio of 5: 3. 
Out of the boys studying Dentistry, 16% know only English, 10% know only Hindi and 4% know only Bengali. 24% know English as well as Hindi, 20% knew English as well as Bengali and 14% know Hindi as well as Bengali. The remaining boys know all three languages.
Out of the girls studying Dentistry, 20% know only English, 10% know only Hindi and 10% know only Bengali, 20% know English- as well as Hindi, 20% know English as well as Bengali, 10% know Hindi as well as Bengali. The remaining girls know all the three languages.
Out of the students studying Homeopathy, boys and girls are in the ratio of 4: 7.
Out of the boys studying Homeopathy, 20% know only English, 15% know only Hindi and 5% know only Bengali. 15% know English as well as Hindi, 25% know English as well as Bengali, and 10% know Hindi as well as Bengali. The remaining boys know all three languages.
Out of the girls studying Homeopathy, 15% know only English, 15% know only Hindi and 5% know only Bengali. 20% know English as well as Hindi, 20% know English as well as Bengali, and 15% know Hindi as well as Bengali. The remaining girls know all three languages.
6). How many students studying Dentistry know only either English or Hindi?
a)  166 
b)  162 
c)  308 
d)  198 
e)  248
7). What per cent of the total no. of girls in the college know Bengali?
a)  45 
b)  40 
c)  48 
d)  42 
e)  50
8). Out of the students studying Homeopathy, what is the ratio of the no. of boys knowing English to the no. of girls knowing Hindi?
a)  3: 5 
b)  2: 3 
c)  9: 11 
d)  9: 13 
e)  1: 3
9). Out of the total no. of students studying Dentistry, what per cent knows at least two languages?
a)  61 × (12/13)   
b)  57 × (13/16)
c)  59 × (13/17)   
d)  66 × (1/4)   
e)  62 × (12/19)
10). What per cent of the total no. of girls in the college do not know Hindi? (Rounded off to nearest integer)
a)  38 
b)  46 
c)  48 
d)  36 
e)  43
 
Answers:
Direction Q 1-5:
Population of state U = 75 lakh
Population of state V = 75 * 100 / 80 = 93.75 lakh
Population of state S = 75 * 100 / 120 = 62.5 lakh
Population of state Q =60 / 100 * 93.75 = 56.25 lakh
Population of state R = 100 / 125 * 62.5 = 50 lakh
Population of state P = 80 / 100 * 75 = 60 lakh
Population of state T = 100 / 150 * 60 = 40 lakh
1). Answer: c)
Reqd. ratio = 56.25 / 62.50 = 225 / 250 = 9 / 10 = 9: 10
2). Answer: a)
Total population of Q and S together = 62.5 + 56.25 = 118.75 lakh
3). Answer: b)
Difference = 93.75 – 60 = 33.75 lakh
4). Answer: e)
Reqd. % = 50 / 93.75 * 100 = 53 ×(1/3) %
5). Answer: e)
Population of state P = 60 / 125 * 100 = 48 lakh
6). Answer: d)
The number of students studying Dentistry and knowing only either Hindi or English = 72 +45 + 54 + 27 = 198.
7). Answer: e)
Reqd. % = 415 / 830 x 100 = 50%

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