BPSC – Combined Competitive Examination · ప్రశ్న 86
How many numbers between 100 and 500 are divisible by 4, 5 and 6?
సమాధానం చూపించు & వివరణ
సమాధానం: (B) 7
వివరణ
LCM(4, 5, 6) = 60; multiples of 60 between 100 and 500 are seven.
- (A) తప్పు
Wrong: there are 7 multiples of 60.
- (B) సరైనది
Correct: multiples of LCM 60: 120, 180, 240, 300, 360, 420, 480 = 7.
- (C) తప్పు
Wrong: too many.
- (D) తప్పు
Wrong: too few.
- (E) తప్పు
Wrong: only one of the options A–D is correct.