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3 സംഖ്യകൾ 4 : 5 : 6 എന്ന് അനുപാതത്തിലാണ് അവയുടെ ശരാശരി 25 ആയാൽ ചെറിയ സംഖ്യ എത്ര ?

A20

B25

C30

D30

Answer:

A. 20

Read Explanation:

സംഖ്യകൾ = 4 : 5 : 6 = 4x : 5x : 6x ശരാശരി = തുക / എണ്ണം = (4x + 5x + 6x )/3 = 15x / 3 15x / 3 = 25 x = 25 × 3/15 = 5 ചെറിയ സംഖ്യ = 4x = 4 × 5 = 20


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