Question
What does the 'L' represent in the name of India's first
solar observatory satellite, AdityaL1?Solution
The 'L' in AdityaL1 stands for Lagrange Point 1, a point in space which allows the satellite to remain in line with the Sun and Earth, facilitating continuous solar observation. Launched in 2023, AdityaL1's mission includes studying solar phenomena like coronal mass ejections and solar flares.
There are only 220 students living in hostel. If 20 students left hostel, then overall expenditure of mess is reduced by Rs. 800 weekly but per student ...
The average age of 16 girls is 35 years. If the age of two more girls is added the average decreases by 3.5 years. What is the sum of the age of new girls?
The average weight of 4 persons is 40 kg. The heaviest person’s weight is 26 kg more than the lightest person’s weight. If the average weight of the...
A player’s average score in first 10 games was a certain number. In the next 10 games, his average score was 90, due to which his overall average incr...
The average age of six members of a family is 40 years. If the age of a guest is included, then the average age increases by 12.5%. What is the age (in ...
The average number of books on history, polity and geography in a library is 140, and the average number of books on history and geography is 150. If th...
There are three numbers a, b and c such that a = 160, (a + b) = 460 and (c – b) = 80. Find their average.
Average number of pages in 54 books is 240. Two more books with pages (b + 20) and (b - 8) are added, and the average becomes 242. Find (b - 100).
The average age of a class of 25 girls is 20 years. If 7 new girls having average age of 12 years join the class, then the average age of the class beco...
The average age of three children is 32 years. If their ages are in the ratio 3:6:7. Find the age of the youngest child.