Question
9 years ago, the average age of a family of five persons
was 50 years. In between these 9 years the family adopted a girl. Now at present the average age of the family is same as it was 9 years ago. Find the present age of the girl.Solution
Sum of the present age of the family excluding girl = 5 x (50 + 9) = 295 years Sum of the present age of the family including girl = 6 x 50 = 300 years Present age of the girl = 300 – 295 = 5 years
From which space agency was the spacecraft "Psyche" launched?
 Which defence force has recently provided essential aid and healthcare in North Sikkim under ‘Operation Sadbhavana’?
Match the following personalities with their brands/roles:
Who among Indian cricket players achieved an impressive milestone by reaching 4,000 runs in just 116 innings in men's T20 cricket, making it the fastest...
Who established the Bombay Association in 1852?
Who is the Deputy President of FIDE as of 2024?
- Which force opposes motion and causes moving objects to eventually stop?
- Where is the headquarters of the World Trade Organization (WTO) located?
Meta announced that India would get access to payments via WhatsApp Business messaging, allowing customers to pay businesses on the app with the UPI opt...
- Which of the following is a natural source of air pollution?
