Question
According to the Air Quality Life Index (AQLI) 2025
report, how many years of life expectancy do residents of Delhi-NCR lose due to air pollution?ÂSolution
The AQLI 2025 report highlighted air pollution as India’s biggest health threat. Residents of Delhi-NCR lose 8.2 years of life expectancy due to PM2.5 pollution, the highest in the country, worse than malnutrition and tobacco.Â
The average weight of x students in a class increases by 1.5 kg when a new student of weight 69 kg joins the class. If instead, t...
The average salary of 9 employees in an office is ₹40,000. When the manager leaves, the average salary becomes ₹36,000. Find the salary of the manager.
The average daily income of a daily wage worker, in the month of February is Rs. 120. If his average income on 1st 12 days of the month is Rs. 80 and on...
In a group of 28 friends, the average age is 22 years. One person aged 20 leaves, and 2 new people with an average age of 24 years join. When a new mem...
The average height of each student in a class of 20 students is 125 cm. If 10 new students joined the class, then the average height of the each student...
The average salary of Anil for the January to October is Rs.68000. He got Rs. 60000 in January and Rs.75000 in Nov. The average salary for the months o...
The average price of two books, namely 'X' and 'Y' is Rs. 850 whereas the average price of books 'Y' and 'Z' is Rs. 910. If the average price of book 'X...
The average age of a group of 70 students is 13 years. If 3 students whose ages are 15 years, 21 years, and _____ years are replaced by 3 new students w...
The mean of a set of 8 numbers is 80. If the average of the first four numbers and the last two numbers is 90 and 60, respectively, and the ratio of the...
Average of first 4 numbers is 1.5 times the average of the next 2 numbers. If the average of all 6 numbers is 30, find the sum of the last 2 numbers.
Relevant for Exams:
