Question
Who is the Principal Scientific Advisor to the
Government of India?Solution
As of 2022, Parvinder Maini serves as the Principal Scientific Advisor to the Government of India, succeeding K. VijayRaghavan.
Average of 8 numbers is 25. If average of first four and last two numbers is 15 and 40, respectively then find the fifth number given that ratio of fift...
There are ‘x’ students in a class. Out of them ‘y’ are girls. The number of boys is 5 more than the number of girls. The sum of weight and the a...
Average of 15 observations calculated by a student was 70 but when he again went through his observations he realised that he took value of three observ...
5 positive numbers are written on a piece of paper. Sum of first 3 numbers is 40 and ratio of the 4th and the 5th number is 2:3. If difference between t...
Sum of ages of 60 students is 900 years such that the average age of 25 of them is 10 years and average age of another 25 of them is 14 years. Find the ...
The average of the first four numbers is 'x+30', the average of the next 10 numbers is 'x', and the average of the remaining 6 numbers is 'x−20'. If t...
The average of five even numbers is 38. If we replace two of these even numbers, 88 and 92, with a single even number X, the new average decreases by 4....
Average run scored by a batsman in 20 innings is 88. In next 6 innings, he scored runs with an average of ‘x’ so that his overall average increases ...
In a classroom, there are 24 male students and 16 female students. The male students have an average age of 16 years, while the female students average ...
The average number of books on history, polity and geography in a library is 165, and the average number of books on history and geography is 140. If th...
