Subject
Quantitative Aptitude
Topic
Number
the average (arithmetic mean) of 4 different integers is . if the largest integer is 90, what is the least possible value of the smallest integer?
the average (arithmetic mean) of 4 different integers is . if the largest integer is 90, what is the least possible value of the smallest integer?
ক)
1খ)
19গ)
29ঘ)
33Explanation
the sum of the four different numbers is 75 * 4 = 300, the largest one is 90, so the sum of the rest three numbers is 300-90 = 210, the average of them is 210/3 = 70. Since the 4 numbers are different, the second largest and third largest should be 89,88. Hence, the least number is 70- ( (89-70) + (88 - 70 )) = 70 - 37 = 33.Related questions
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