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  • SSC Quantitative Ability mock Test
  • Six bells commence tolling together and toll at intervals...
Multiple choice

Six bells commence tolling together and toll at intervals of 4,8,12,16,20 and 24 s respectively, In 36 min, how many times do they toll together?

  1. 12

  2. 10

  3. 16

  4. 18

  5. N/A

Reveal answer Fill a bubble to check yourself
B Correct answer
Explanation

LCM of 4, 8 , 12 , 16 , 20 , 24 is 240 So, the bells will toll together after every 240s = (4 min)In 36 min, they will toll together36/4 + 1 =10 times

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