Question
Find the area of a circle. Statement I: The
radius of a circle is one-third of the area of the rectangle. Statement II: Area of rectangle is 210 cm2. For each of the following questions statements I and II are given. Use the data of those statements and then determine which of the following statements is necessary to answer the question:Solution
Statement I & II: Radius of circle = (1/3) × 210 = 70 cm Area of circle = πr2 = (22/7) × 70 × 70 = 15400 cm2 Therefore both the statements are required to answer the question.
When the average age of a husband and wife and their son was 44 years, the son got married and a child was born just one year after their marriage. When...
32 × 15 + 60% of 200 = ? + 120
In 40 matches, Mia had a bowling average of 18.6. She played 3 more matches, took 3 wickets after conceding 162 runs, and her average increased by 1.8. ...
The average weight of 10 students is 45 kg. If a new student joins, the average becomes 46 kg. Find the weight of the new student.
The average of marks obtained by 50 candidates was 56. If the average of the passed candidates was 60 and that of the failed candidates was 50, then th...
Average marks scored by each boy in a class were 80, whereas that by each girl were 88. If the number of boys is 50% more than the number of girls, then...
Average age of company A is 21 years and average age of both companies A and B is 13 years. If the ratio of number of employees in company A and B is 3:...
A coder solved problems at an average of x problems per day for the first 25 days. In the next 5 days, they solved at an average of 64 problems per day,...
The average of 4, 6, 8, 12 and x is 7 and the average of x, 9, 13, 15 and y is 9. What is the value of 2x – 3y?
- The average score of a player in 30 matches is 42. In the next five matches, he scored 80, 70, 60, 55, and 45. What is his new average?