Question
Select the correct mirror image of the given combination
when the mirror is placed at line MN as shown.Solution
- Average score of 60 contestants is 185. Two late entries with scores (k + 18) and (k - 12) join, and the average becomes 186. Find (k - 95).
The sum of weights of 25 body builders is 2020 kg. When the weight of the referee is added, the average weight of body builders and the referee becomes ...
The average weight of 20 students is 27 kg. If two students weighing 19 kg and 47 kg are replaced by a teacher weighing 77 kg, what is the new average w...
Average weight of a team of 13 persons is 33 kg. When one more person joins the team, the average weight of the team increases by 4 kg. Find the weight ...
The average age of a group of 20 students is 30 years. Two persons of age 40 years and 35 years, left the group and 2 persons of age 50 years and 65 yea...
The average weight of 14 persons increases by 3.5 kg when a new person comes in place of one of them weighing 48 kg. The weight of the new person is.
In a class of 40 students, the average weight of the class is 65 kg, but when one of the students left from the school and 6 new ...
Sachin Tendulkar's average runs over 40 innings was 52. During his subsequent four innings, he scored 55, 42, 0, and 60 runs. To increase his average to...
- The number of students in class 'A' is 100, and the ratio of the number of girls to boys is 2:3. If the average number of boys in classes A and B is 105, a...
Daksh bought 21 notebooks for Rs.1260 from shop A and 14 notebooks for Rs.1190 from shop B. What is the average price he paid per book?
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