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Six bells ring at intervals of 2,4,6,8,1...

Six bells ring at intervals of 2,4,6,8,10 and 12 s, respectively. They started ringing simultaneously. How many times, will they ring together in 30 min?

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ARIHANT SSC-HCF AND LCM-Exercise Higher Skill Level Questions
  1. Six bells ring at intervals of 2,4,6,8,10 and 12 s, respectively. They...

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  2. If (x-6) is the HCF of x^2- 2x - 24 and x^2-kx-6, then what is the val...

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  3. If a and b are positive integers, then what is the value of ((alpha)/(...

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  4. What is the HCF of 8(x^5 - x^3+x) and 28("x"^(6)+1) ?

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  5. The HCF of {x^4 - y^4) and (x^6 - y^6) is

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  6. The HCF of (x^3 - y^2 - 2x) and (x^3+ x^2) is

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  7. What is the HCF of a^2 b^4 + 2a^2 b^2 and (a^2b^7)

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  8. For any integer n, what is HCF (22ra + 7, 33re + 10) equal to?

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  9. For any integers a and b with HCF (a, b) = 1 , what is HCF (a +b, a - ...

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  10. In a fire range, 4 shooters are firing at their respective targets. Th...

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  11. Three hells chime at intervals of 48,60 and 90 min,respectively.If all...

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  12. Five bells begin to toll together at intervals of 9s,6s,4s,10s and 8s,...

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  13. Monica, Veronica and Rachat begin to jog around a circular stadium. Th...

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  14. A General can draw up his soldiers in the rows of 10, 15 or 18 soldier...

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  15. 6 bells commence tolling together and toll of intervals are 2, 4, 6, 8...

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  16. Find the greatest possible length which can be used to measure exactly...

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  17. The H.C.F. and L.C.M. of two numbers are 21 and 4641 respectively. ...

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  18. Find the side of the largest possible squares labs which can be paved ...

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  19. When in each box 5 or 6 dozens of apples were packed,three dozens were...

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