(a) 16 minutes
(b) 24 minutes
(c) 32 minutes
(d) 40 minutes
(e) 36 minutes
Q2. An woman goes to visit the house of some friend whom she has not seen for many years. She knew that besides the two married adults in the household, there are two children of different ages, But she does not knew their genders. When she knocks on the door of the house, a boy answers. What is the probability that the younger child is a boy?
Q3. According to the 2001 census, the population growth rate of Lucknow is going to be an increasing AP with first year’s rate as 5% and common difference as 5%, but simultaneously the migration, rate is an increasing GP with first term as 1% and common ratio as 2. If population on 31 December 2000 is 1 million, then find in which year will Lucknow witness its first fall in population?
Q4. There are four hotels in a town. If three men check into the hotels in a day, then what is the probability that all of them do not check into the same hotel?
Q5. If a leap year is selected at random, what is the chance that it will contain 53 Mondays?
Directions (6-10): What will come at the place of question mark in the following questions? (You are not expected to find exact value)
Q8. 59.97% of 849.97 – 38.98% of 599.98 = ?
Q (11- 15): The following bar graph indicates the population of three different villages in 5 years.
Q11. What is the ratio between no of males of village X & Y together in 1992 to the total population of village Z in 1995?
(a) 3 : 7
(b) 7 : 9
(c) 11 : 9
(d) 9 : 7
(e) 13: 15
Q12. Which of the following villages shows continuous decrease in their population over the years?
(d) X & Y
(e) All of the above
Q13.Total number of males in village Z over the given years is approximately what percent of total number of females in villages X over the given years?
(a) 176 %
(b) 150 %
(c) 194 %
(d) 245 %
(e) 142 %
Q14. No of males from all villages in 1993 & 1994 is approximately what percent more or less than the no of females of village Y in same years?
(a) 135 % less
(b) 141 % less
(c) 135 % more
(d) 141 % more
(e) 165 % more
Q15. Find the difference between the average of females from villages X and average population of villages Z over the entire years?
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