Question
The average weight of 8 students in a class is (x + 15).
If the average of the first four students is 30 kg and the average of the last four students is 40 kg, find the value of (x + 25).Solution
According to the question, The average weight of 8 students = (x + 15) = 8 * (x + 15) The average weight of first four students = 4 * 30 = 120 The average weight of last four students = 4 * 40 = 160 120 + 160 = 8 * (x + 15) 280 = 8(x + 15) 35 = x + 15 x = 20 x + 25 = 45
What was the primary objective of the '2023 Regional Cooperation and Integration Conference' organized by the Asian Development Bank (ADB) in Tbilisi, G...
Set up in 2017, DIKSHA is a national platform for school education, an initiative of National Council for Educational Research and Training (NCERT), und...
What is the primary objective of the MoU signed between REC Limited and Punjab National Bank (PNB)?
Who translated a Tamil book on Veerapandiya Kattabomman into English and was known for work in town planning and conservation?
Which statements accurately reflect SEBI's actions regarding illegal trading activities?
1. SEBI is investigating a mutual fund for suspected fro...
What is the theme chosen by the Global Initiative for Asthma (GINA) for World Asthma Day 2024?
Which Indian FinTech firm has launched cross-border UPI payments service recently?
Who is set to receive the Satyajit Ray Lifetime Achievement Award at the 54th International Film Festival of India?
According to the Indian Navy commissioning details, what type of warship is INS Anjadip?
Every year World Food Safety Day is observed on?
Relevant for Exams:
