Question
Who authored 'A Brief History of Time', a renowned book
that explores complex cosmological concepts?Solution
Stephen Hawking wrote 'A Brief History of Time', which aims to explain a range of subjects in cosmology, including the Big Bang and black holes, in a manner accessible to the general public. The book discusses how the universe started and speculates about its fate.
Average run scored by a batsman in 16 innings is 40. In next 6 innings, he scored runs with an average of ‘x’ so that his overall average increases ...
The average of 8 consecutive odd numbers is 20. If the odd numbers immediately before and after this sequence of 8 odd numbers ar...
There are 15 natural numbers whose average is 30.6. The average of the first 8 numbers is 28, and the average of the last 8 numbers is 33. Find the eigh...
The average age of (x + 7) trainees is 17 years. When a 39-year-old trainer joins, the average becomes 18 years. Find x% of 500.
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).
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...
In an office of 35 employees, the average salary is ₹48,000. One employee earning ₹45,000 resigns, and 4 new employees with an average salary of ₹...
Average of four numbers is 21. Sum of smallest and largest number is 53. If difference between other two numbers is 1, then find the square of second sm...
The average of 5 numbers is 28. The average of the first 3 numbers is 25 and the average of the last 3 numbers is 31. Find the third number.
Average of 8 numbers is 50. If average of first four and last two numbers is 60 and 70, respectively then find the fifth number given that ratio of fift...
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