Question
What approximate value should replace the question
mark? 27.48% of 600.06 + ?% of 200.01 = 284.94Solution
27.48% of 600.06 + ?% of 200.01 = 284.94 27.5% of 600 + ?% of 200 = 285 27.5/100 × 600 + ?% × 200 = 285 ?% of 200 = 285 − 165 = 120 ? = (120/200) × 100 = 60
The average score obtained by 22 students in a class test is 68 marks. The top place was shared by 3 people who got the same score. If the lowest score ...
Sonali applied for a job of Science teacher in a school. In the test for job, she scored 8 in Physics, 8 in Chemistry, 6 in Biology, and 6.5 in the inte...
Average of eleven consecutive numbers is 42. Find the sum of smallest and largest number.
The average of 15 numbers is 40. A new number is added and the new average becomes 41. Find the number added.
In a school, 30 boys scored an average of 76 marks while 40 girls scored an average of 88 marks. What is the average marks of all students together? (Ro...
The average temperature of Monday, Tuesday, Wednesday and Thursday is 50°. The average temperature for Tuesday, Wednesday, Thursday and Friday is 60°....
2 years ago, the average age of the family of 3 members is 13 years. A baby is born now; the average age of the family is same as before. Find the age o...
The average of 18 numbers is 12. If each number is increased by 2, what will be the mean of the new set of numbers?
The average marks of 'm' students in a math test is (m + 5) and the average marks of 30 girls is (2m - 10). If the average marks of all students togethe...
"In a group of four investors in stocks, the highest earner makes Rs. 5 lakh per month, while the lowest earner makes Rs. 2.4 lakh per month. Now, we wa...
