Subject
Quantitative Aptitude
Topic
Average
Of the four numbers, whose average is 60, the first is one-fourth of the sum of the last three. The first number is :
Of the four numbers, whose average is 60, the first is one-fourth of the sum of the last three. The first number is :
ক)
17খ)
29গ)
36ঘ)
48Explanation
Let the first number be x, Then, sum of the four numbers = x + 4x = 5x. so, 5x/4 = 60 or x = = 48.Related questions
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