Question
In a class of 40 students, the average weight of the
boys is 48 kg, and the average weight of the girls is 56 kg. If the overall average weight of the class is 50.4 kg, determine the number of boys in the class.Solution
Applying allegation method, we get
Desired ratio = 5.6:2.4 = 7:3
Number of boys in the class = 7/10 x 40 = 28
Recently the 11th edition of the annual Joint Military Training (JMT) between the Indian Air Force (lAF) and the ____ Air Force commenced at Air Force ...
Which entity was penalized ₹50,000 by the RBI in October 2024 for non-compliance with KYC regulations?
- What technology was tested under ISRO’s SpaDeX experiment?
- According to the India Justice Report 2025, which Indian state ranked highest in justice delivery?
The South India Natural Farming Summit, to be inaugurated by PM Modi, will be held in which city?Â
Who won the compound women’s world title at the Gwangju 2025 World Archery Para Championships?Â
What is the primary objective of the $98 million loan signed between the Government of India and the Asian Development Bank (ADB)?
Which organization developed the lightest Bullet Proof Jacket (BPJ) featuring the Front Hard Armour Panel (FHAP)?
How many new research projects (worth ₹9.84 crore) were announced in collaboration between India and Australia during the UNSW campus discussions?Â
Which enforcement action did the RBI take against Sonepat Central Cooperative Bank?
