Question
There are three numbers such that when the average of
any of the two numbers is added with the third number, sum obtained will be 120, 124 and 128. Find the average of all three numbers.Solution
Let the three numbers be a, b and c respectively. According to question; (a + b + 2c) = 120 × 2 = 240……………..(1) (a + 2b + c) = 124 × 2 = 248……………..(2) (2a + b + c) = 128 × 2 = 256……………..(3) From equation (1), (2) and (3) 4 × (a + b + c) = 744 a + b + c = 186 (a + b + c)/3 = 62
Who was named the fashion icon by the Council of Fashion Designers of America?
Who became South Korea’s first civilian Defence Minister in over 60 years?
World Zoonoses Day 2025 commemorates which historical medical achievement?
Cambridge Dictionary has announced "______" as its Word of the Year 2021.
What is the primary focus of the partnership between Google Cloud and CERT-In in the field of Generative Artificial Intelligence (AI) and Cybersecurity?
What is the primary objective of the Mahatma Gandhi National Rural Employment Guarantee Act (MGNREGA)?
The Reserve Bank of India has accorded approval to ICICI Prudential Asset Management Company Ltd (ICICI AMC) for acquiring up to 9.95 per cent stake in ...
Which state received the highest Foreign Direct Investment (FDI) in Q1 FY 2024-25?
On which date is World Bamboo Day observed every year?
Which Armed Force recently signed a Memorandum of Understanding (MoU) with the Indian Railway Catering and Tourism Corporation (IRCTC) to ensure the saf...
