Question
The primary reason that smoking cigarettes is bad for
our health is that cigarette smoke _______.Solution
The correct answer is C
There are three distinct numbers βuβ, βvβ and βwβ. If, u = 240, (u + v) = 540 and (w β v) = 60, then find the average of u, v and w.
...The average number of Scholarship received by (5p + 2) students is βpβ. If there had been 8 students less then each student would have got (p + 2) S...
Average weight of a team of 8 persons is 50 kg. When one more person joins the team, the average weight of the team increases by 7 kg. Find the weight o...
- The average marks of 55 students in a class were calculated as 72. However, there were errors in recording the marks of four students. The incorrect marks ...
- The incomes of βXβ, βYβ and βZβ are in the ratio 3:4:5, respectively and the average of their incomes is Rs. 12,000. If βXβ, βYβ and οΏ½...
The average age of 35 employees in an office is 28 years. If the age of the manager is included, the average age increases by 2 years. Find the age of t...
The average of 18 numbers is 70. The first eight numbers have an average of 90, and the last five numbers have an average of 48. The eleventh number ex...
A man purchases cold-drink for three consecutive years. In the first year, he purchases cold-drink at the rate of βΉ 8.00 per litre, in the second year...
The average of five numbers is 30. If one of the numbers is removed, the average becomes 25. What is the number that was removed?
Mishti bought 20 kg apples for Rs 60 per kg, b kg apples for Rs 70 per kg and (b + 6) kg apples for Rs 50 per kg. She mixed all type of apples together ...
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