Question
The equation of the plane passing through the point
(2,−1,3) and having direction ratios (1,4,−2) is:Solution
The plane passes through the point (2,−1,3) 
The average score of 28 players in a team is 73. After two new players with scores (x + 8) and (x - 6) joined, the average score decreased by 2 points. ...
Find the average of the numbers 12, 14, 18 and 26
Average age of a class of 41 students is 17 years. Average age of the class is increased by 18 months if the age of the teacher is included. Find the ag...
- The number of students in class 'A' is 108, and the ratio of girls to boys is 5:4. If the average number of boys in classes A and B is 114, and the average...
Average marks scored by each boy in a class were 100, whereas that by each girl were 90. If the number of boys is 50% more than the number of girls, the...
The number of students in class 'A' is 104, and the ratio of girls to boys is 4:9. If the average number of boys in classes 'A' and 'B' is 124, and the ...
The average daily income of a daily wage worker, in the month of July is Rs. 120. If his average income on 1st 12 days of the month is Rs. 80 and on las...
- Rs. 4200 was distributed among 'P', 'Q', 'R' and 'S' in the ratio 2:5:4:3 respectively. Later, 'Q' gave an amount equal to 80% of the average amount receiv...
The average electricity consumption of a household over a number of months was 180 units. In the next month, it consumed 300 units, raising the average ...
The average number of books on history, polity and geography in a library is 110, and the average number of books on history and geography is 120. If th...
Relevant for Exams:
