Question
The average weight of 16 people in a group is 75 kg. If
the heaviest person who weighs 95 kg is replaced by a new person, and the average weight of the group drops to 73 kg, what is the weight of the new person?Solution
Total weight of 16 people = 16 Ă— 75 = 1200 kg. Let the weight of the new person be y kg. Removing the heaviest person (95 kg) and adding the new person: New total weight = 1200 - 95 + y New average weight with the new person is 73 kg 1200 - 95 + y = 73 Ă— 16Â Â Â Â Â Â Â Â Â Â Â Â Â 1200 - 95 + y = 1168 y = 1168 - 1105 y = 63 = 63 kg
Which of the following institutions/ministries has Launched 'Bharat 6G Alliance' in July 2023?
Which former Indian footballer and 1962 Asian Games gold medalist passed away at age 81 in 2025?
Which state’s tableau won the “People’s Choice Award” at the 74th Republic Day parade?
At the 16th World Future Energy Summit, it was emphasized that global renewable energy capacity needs to reach at least ____ terawatts by 2030.
When is National Education Day celebrated in India?
What is the total amount currently held in District Mineral Foundations (DMFs) across Aspirational Districts?
In the context of drainage system of river Sutlej, which of the following statement is correct?
What is the planned increase in the cryogenic upper stage propellant load in the new LVM3 configuration?
What is the name of the clean energy challenge launched by GEAPP in partnership with DPIIT?
Which team won the Santosh Trophy 2022-23, and where was the final held?
Relevant for Exams:
