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प्रश्न
A person distributes his pens among four friends A, B, C, D in the ratio `1/3 : 1/4 : 1/5 : 1/6 `. What is the minimum number of pens that the person should have?
पर्याय
57
65
75
45
MCQ
उत्तर
57
Explanation:
A : B : C : D = `1/3 : 1/4 : 1/5 : 1/6`
= `1/3 xx 60 : 1/4 xx 60 : 1/5 xx 60 : 1/6 xx 60` .......[LCM of 3, 4, 5 and 6 = 60]
= 20 : 15 : 12 : 10
∴ Minimum number of pens = 20 + 15 + 12 + 10 = 57
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Ratio and Proportion (Entrance Exam)
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