Question
961 Γ 4 Γ· 31 β 15% of 180 = ? β
73 What will come in the place of question mark (?) in the given expression?Solution
961 Γ 4 Γ· 31 β 15% of 180 = ? β 73 => 124 β 27 = ? β 343 => ? = 97 + 343 => ? = 440
Average weight of all the people in a group is 60 kg. When two people of weight 66 kg and 84 kg left the group, average weight reduces by 1 kg. Find the...
The average weight of 6 people is 80 kg. When two new people with their weights in the ratio 2:3 joined the group, the average weight of all the people ...
Average age of company A is 26 years and average age of both companies A and B is 12 years. If the ratio of number of employees in company A and B is 2:...
Given a set of 25 numbers, the overall average is 60. The first 11 numbers in this set have an average of 48, while the last 15 numbers have an average ...
- The average age of a group of employees is 45 years. When a new employee aged 60 joins, the average increases by 1 year. Find the total age of the group be...
The average salary of a group of 60 employees is Rs. 400. If 6 employees receiving an average salary of Rs. 450 leave the group and 4 new employees rece...
The average age of three children is 14 years. If their ages are in the ratio 1:2:3. Find the age of the youngest child.
- The average of sixty numbers is 70 while the average of first thirty numbers and last thirty numbers is 75 and 85, respectively. Find the thirtieth term.
The average height of 8 boys in a basketball team is 180 cm. If the tallest boy leaves, the average becomes 175 cm. Find the height of the boy who left.
- The number of students in class 'A' is 144, and the ratio of the number of girls to boys in class 'A' is 5:7. If the average number of boys in classes 'A' ...