Question
Find the smallest 4-digit number which is exactly
divisible by 11.Solution
Smallest 4-digit number = 1000 1000 ÷ 11 = 90 remainder 10 Next multiple = 1000 + (11 − 10) = 1001 Check: 1001 ÷ 11 = 91
The average of 19 numbers is 15.The average of first 9 numbers are12 and that of the last 9 numbers are15. What will be the 19th number?
The average number of taxis of three colours (black, white and yellow) in a taxi stand is 155. The number of black taxis is 60 more than that of yellow ...
The average of two consecutive even numbers is 73. If the smaller number is increased by 40% and the larger number is decreased by 40%, then find the di...
The average score of a student increased by 5 marks when he scored 210 marks in his 60th test. Find the average score of the student after 60 tests.
The average weight of 10 students is 45 kg. If a new student joins, the average becomes 46 kg. Find the weight of the new student.
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If the average of s number is r⁴ and the average r number is s⁴, then find the average of all r+ s numbers
The average score of 28 players in a team is 73. After two new players with scores (x + 8) and (x - 6) joined, the average score decreased by 2 points. ...
- The mean of 15 observations is 124 and the median of the observations is 130. Find the mode of the observations.
The average weight of P and his three friends is 55 kg. If P is 4 kg more than the average weight of his three friends, what is P's weight (in kg)?
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