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Start learning 50% faster. Sign in nowSouth Western Command of the Indian Army conducted Integrated Fire Power Exercise ‘SHATRUNASH’ at MFFR in the Thar Desert of Rajasthan. The exercise witnessed the use of multi firing platforms in an integrated manner involving both aerial and ground manoeuvres.
In the Board exams, the average marks scored by 20 students is 55. But while calculating, marks of 2 students were wrongly entered as 43 and 60 in place...
A cricketer scored an average of 80 runs per match in the first 22 matches. In his next 8 matches, he scored runs with an average of ‘x’ runs per ma...
The average number of books on Biology, Chemistry, and Physics in a book shop is 300. Biology books are 150 more than the average number of Chemistry an...
The average weight of ‘x’ persons is 50 kg. The average weight of (x – 15) women is 40 kg, the average weight of (x – 20) children is 35 kg, and...
Find the mean of the following observations:
45, 54, 42, 56, 46, 48, 52, 50, 57, 43
The average weight of 36 students in a class is 62 kg. When two new students having weights (m + 8) kg and (m − 6) kg joined, the average weight dropp...
The average of a series of 30 numbers is 70. The difference between the largest number and the smallest number is 140. If the largest and the smallest n...
The average of the first 6 numbers is 'x+40', the average of the next 8 numbers is 'x', and the average of the remaining 6 numbers is 'x−10'. If the a...
The average of five even numbers is 64. If we replace two of these even numbers, 84 and 92, with a single even number X, the new average decreases by 4....