1. Gopal went to the Hospital at the speed of 60 km/hr while returning for his home he covered the half of the distance at the speed of 10 km/hr, but suddenly he realized that he was getting late so he increased the speed and reached the home by covering rest half of the distance at the speed of 30km/hr. The average speed of the Pankaj in the whole length of journey is:
a)5.67 km/hr
b)24 km/hr
c)22.88 km/hr
d)5.45 km/hr
e)None of these
2. Anil earns 3/2 times in January, April, July and October than his average earning of Rs.600 per month in the rest of the month. So his savings in the January, April, July and October goes to 5/4 times that of the rest months saving of Rs.400 per month in the year. The average expenditure of per month is:a)Rs.266.66
c)Rs.233.33
d)Rs.433.33
e)None of these
3. The average age of Sachin and Ganguli is 35 years. If Kaif replaces Sachin, the average age becomes 32 years and if Kaif replaces Ganguli, then the average age becomes 38 years. If the average age of Dhoni and Irfan be half of the average age of Sachin,Ganguly , and Kaif ,then the average age of all the five people is:
a)28 years
b)32 years
c)25 years
d)30 years
e)None of these
4. The average rain fall in the months of January and February is 6 cm and in the months of March to June is 5 cm and July to October is 10 cm and in the November and December, it is 6 cm. The average rainfall for the whole year is:
e)None of these
5. On an average 300 people watch the movie in Sahu Cinema hall on Monday, Tuesday and Wednesday and the average number of visitors on Thursday and Friday is 250. If the average number of visitors per day in the week be 400, then the average number of people who watch the movie in weekends (i.e., on Saturday and Sunday) is:
e)None of these
6. The average age of a family of 6 members 4 year ago was 25 years. Mean while a child was born in this family and still the average age of the whole family is same today. The present age of the child is:
b)11/2 years
d)data insufficient
e)None of these
7. The average salary is being paid to all its employees by the Biotech corporation is `15,500. The average salary of the senior employees is `18000 per month and the average salary of the junior employees is `12,000 per month. If there are only two levels of employees viz junior and senior level, then what fraction of the total employees is the junior level employees are:
e)None of these
8. There were five sections in Banking Exam paper. The average score of Pooja in first 3 sections was 83 and the average in the last 3 sections was 97 and the average of all the sections (i.e., whole paper) was 92, then her score in the third section was:
e)None of these
9. Nirmala gets 40 marks out of 50in Computer Science, 70 out of 100 in Manufacturing science and 142 out of 150 in professional communication. The average marks of Nirmala (in percent) in all the three subjects is:
e)None of these
10. The average weight of A, B, C and D is 40 kg. A new person E is also included in the group, then the average weight of the group is increased by 1kg. Again a new person F replaces A, then the new average of 5 person becomes 42. The average weight of B, C, D, F is:
e)None of these
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