Question
Find the total number of participants in the Quiz
category over the five years and calculate its percentage contribution to the total participants across all categories over these five years. A school organizes competitions in five categories: Debate, Quiz, Music, Dance, and Art. The table below shows the number of participants in each category over five years.Solution
Total participants in the Quiz category: Quiz total = 150 + 170 + 180 + 200 + 220 = 920. Total participants across all categories: Debate total = 120 + 140 + 160 + 180 + 200 = 800. Quiz total = 920. Music total = 200 + 220 + 240 + 260 + 300 = 1220. Dance total = 180 + 200 + 210 + 250 + 280 = 1120. Art total = 100 + 120 + 150 + 180 + 200 = 750. Grand total = 800 + 920 + 1220 + 1120 + 750 = 4810. Percentage contribution of Quiz: Percentage = (Quiz total / Grand total) × 100 = (920 / 4810) × 100 ≈ 19.12%. Correct answer: a) 920, 19.12%.
The average marks of 22 students is 64. If x new students join with an average of 75 marks, the class average increases to 66. Find x.
The average marks scored by 32 boys and 38 girls are 70 and 92 respectively. Find the average marks scored by all the students together. (Answer should ...
The average mark obtained by Khushi in four papers was 51, and in the fifth paper, she obtained 56 marks. Find his new average in all five papers.
The average of 5 numbers is 46. If one number, 38, is removed, what is the average of the remaining 4 numbers?
The average cost price of 18 pens (having equal cost price) decreased by Rs.2, when one of the pen is replaced by a new pen having cost price of Rs.74. ...
The average age of 14 girls is 42 years. If the age of two more girl is added the average decreases by one and a half year. What is the sum of the age o...
The average price of two mobile phones, namely 'P' and 'Q' is Rs. 15,600 whereas the average price of phones 'Q' and 'R' is Rs. 1...
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 ...
There are three distinct numbers ‘u’, ‘v’ and ‘w’. If, u = 240, (u + v) = 540 and (w – v) = 60, then find the average of u, v and w.
...The average daily income of 7 men, 11 women and 2 boys is Rs.257.50. If the average daily income of the men is Rs.10 more than that of women and the ave...
Relevant for Exams:
