Question
The average age of a group of 40 people is 22 years. If
the age of 5 people is excluded, the average age decreases by 1 year. What is the average age of the 5 excluded people?Solution
Total age of 40 people = 40 × 22 = 880 years Average age of the remaining 35 people = 21 years Total age of 35 people = 35 × 21 = 735 years Age of the 5 excluded people = 880 - 735 = 145 years Average age of the 5 excluded people = 145/5 = 29 years Correct Option: d
Which of the following states comes under the Western Dedicated Freight Corridor?
DFCCIL received US$ ______ billion for the construction of the Eastern Corridor in 2014.
Indian Railway Institute of Civil Engineering is located at:
Which of the following mountain railways in India was declared a World Heritage Site by UNESCO in the year 1999?
Which one of the following States does NOT have the Headquarters of any Railway Zone?Â
What is the name of the mobile application recently launched by Indian Railways for passenger safety?
When was the Southern Railway zone created?
The Canadian Pacific Railway runs between ________________________
The Chittaranjan Locomotive Works factory commenced the production of steam locomotives on:
Â
The Indian Railways carried 1108.79 million tonnes of freight in: