Question
Four numbers have been given, out of which three are
alike in some manner and one is different. Select the number that is different.Solution
19² = 361 + 1 = 362 24² = 576 + 1 = 577 15² = 225 + 1 = 226 32² = 1024 + 1 = 1025
The average weight of 4 persons is 35 kg. The heaviest person’s weight is 24 kg more than the lightest person’s weight. If the average weight of the...
The average of five numbers is 30. If one of the numbers is removed, the average becomes 25. What is the number that was removed?
The average of n numbers is 60. If each of 55% of the numbers is increased by 16 and each of the remaining numbers is decreased by 12, then the n...
The average marks of all the students decreased by 2 when it was found that marks of one of the student were wrongly interpreted as 80 instead of 40. Fi...
The average of a set of s numbers is 14. If 20 is added to the set, then the average of the set becomes 14.25. Find the value of 3 X (s - 3).
In a college of 35 students, the average speed of typing in an English class is 50 words per minute, but after one student left a...
60% of 3840 +? + 30% of 4380 = 40% of 8340 + 10% of 3480
Average run scored by a batsman in 14 innings is 80. In next 6 innings, he scored runs with an average of ‘x’ so that his overall average increases ...
The average marks obtained by 6 students in a class is 60. If the topper leaves, the average drops to 55. Find the marks of the topper.
The average number of balloons distributed among five kids is 9. If each kid received 1 balloon more than the kid before, then find the highest number o...
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