Question
In a school of 50 students, the number of boys and girls
is in the ratio of 4:1. The boys have an average score of 38, while the girls have an average score of 45. What is the overall average score of the entire class?Solution
ATQ, Let the number of boys be 4x and girls be x, where 4x + x = 50 ⇒ x = 10. Then, boys = 40 and girls = 10. Total marks for boys = 40 × 38 = 1520. Total marks for girls = 10 × 45 = 450. Average marks for the class: Average = (1520 + 450)/50 = 39.4
What is the total investment planned under the India–FAO Blue Ports collaboration for upgrading Vanakbara and Jakhau ports?
Who was the recipient of the V Venkayya Epigraphy Award in 2024?
Who was the most searched Indian sportsperson globally in 2024?
Researchers recently found a large deposit of around 230 million metric tons of minerals crucial for making electric car batteries on the seabed off Min...
In Exercise Siyom Prahar, which set of drone roles was demonstrated?
The September 2025 round of the Inflation Expectations Survey of Households (IESH) seeks responses from households in how many cities?
Where did ISRO and the Indian Navy conduct the well deck trials for the Gaganyaan mission’s crew module?
Recently Jitendra Singh (Science and Technology Minister) has launched India’s first Virtual Science Lab for Children under CSIR (Council of Scien...
Tamil Nadu recorded temperatures exceeding which degree Celsius during the heatwaves in April and May 2024?
According to the National Policy on Biofuels, the Government envisaged an indicative target of 20% ethanol blending in petrol by year_______?
Relevant for Exams:
