Question
Average marks scored by each boy in a class were 85,
whereas that by each girl were 95. If the number of boys is 50% more than the number of girls, then find the average score of each student.Solution
Let the number of girls = 2x.
Thus, the number of boys = 3x. Total marks of boys = 3x × 85 = 255x
Total marks of girls = 2x × 95 = 190x Total marks = 255x + 190x = 445x
Total students = 2x + 3x = 5x Average = 445x ÷ 5x = 89
Who won the Bahrain Grand Prix 2025, the first race of the Formula 1 2025 season?
In the context of RBI’s guidelines on foreign exchange risk management, what is the role of an Authorized Dealer (AD) in monitoring users’ positions...
How much did Union Bank of India commit to measure in terms of financed emissions through its signing of the PCAF in 2024?
Recently Pfizer limited has appointed whom as its Chairman?
Under the rule of which Viceroy did Rajagopalachari present the C.R. Formula?
According to Atkinson, Tarikh-e-Daudi highlights the courageous deeds of which Kumaoni king?
Which country had topped the "World Happiness Index" for the year 2023 ?
Which team won the IPL 2024 title?
In which year was the All India Women's Conference (AIWC) founded?Â
Where is the biggest FIFA Women's Football World Cup being jointly hosted?
Relevant for Exams:
