Question
Average weight of 36 students is 68 kg. When two new
students with weights (m + 12) kg and (m - 6) kg join, the average weight becomes 69 kg. Find the value of (m - 50).Solution
38 × 69 − 36 × 68 = m + 12 + m − 6
2m + 6 = 2622 − 2448 = 174
2m = 168
m = 84
m − 50 = 34
- The 'Lokrang' festival, dedicated to tribal and folk culture, is celebrated in which state?
- Who was the founder of the Self-Respect Movement in Tamil Nadu?
Which national park has been declared the 8th tiger reserve of Madhya Pradesh?
Who is the founder of the city of Lucknow?
- Who was appointed interim chairman of the World Economic Forum in April 2025?
With reference to the Money Bill, consider the following statements:
1. It can be introduced only in the Lok Sabha and not in the Rajya Sabha.
In which district of Haryana was the 'e-Saral' project successfully implemented as a pilot project?
At what Compound Annual Growth Rate (CAGR) in terms of volume did Unified Payments Interface (UPI) transactions increase from 92 crores in FY 2017-18 to...
Masked Aadhaar number implies replacing of How many digits of Aadhaar number with some characters like “xxxx-xxxx”?
GO Savings Account, a latest digital banking product is a zero-balance account with simple account opening process and easy-to-operate features, the p...
Relevant for Exams:
