# The mean monthly salary paid to graduating MBA class of a management institute is Rs. 16000. The mean monthly salary paid to students with work experience is Rs. 18000. The corresponding figure for the students without any work experience is Rs.  12000. Determine the percentage of students with work experience  and those without any work experience in the class. (a) 66.67%, 33.33%               (b) 33.33%, 66,67%            (c) 75%, 25%           (d) 25%, 75%

## Question ID - 50927 :- The mean monthly salary paid to graduating MBA class of a management institute is Rs. 16000. The mean monthly salary paid to students with work experience is Rs. 18000. The corresponding figure for the students without any work experience is Rs.  12000. Determine the percentage of students with work experience  and those without any work experience in the class. (a) 66.67%, 33.33%               (b) 33.33%, 66,67%            (c) 75%, 25%           (d) 25%, 75%

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Let the number of students will work experience be  and those without work experience be

Then,

∴ Percentage of students with work experience =

Percentage of students without work experience =

Next Question :

My Scooty gives an average of 40 kmpl of petrol. But after recent filling at the new petrol pump, its average dropped to 38 kmpl. I investigated and found out that it was due to adulterated petrol. Petrol pumps add kerosene, which  cheaper than petrol, to increase their profits. Kerosene generates excessive smoke and knocking and gives an average of 18 km per 900 ml. if I paid Rs.  30 for a litre of petrol, what was the additional amount the pump-owner was making?

(a) Rs. 1.75                  (b) Rs. 1.80               (c) Rs. 2         (d) Rs. 2.30