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Three bells ring at intervals of 36 seco...

Three bells ring at intervals of 36 seconds, 40 seconds and 48 seconds respectively. They start ringing together at a particular time. They will ring together after every

A

6 min

B

12 min

C

18 min

D

24 min

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CHAMPION PUBLICATION-2016 TIER-II PAPER(15)-EXERCISE
  1. if 0 lt x lt 1 Then the correct inequality is :

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  2. Three bells ring at intervals of 36 seconds, 40 seconds and 48 seconds...

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  3. If the sum of the digits of a three digit number is subtracted from th...

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  4. Which of the following is correct? निम्नलिखित में से कौन सा सही है?

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  5. The greater of the two numbers whose product is 900 and sum exceeds th...

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  6. The smallest fraction, which should be added to the sum of 2(1)/(2),3(...

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  7. Find the cube root of (-13824).

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  8. The sum of three positive numbers is 18 and their product is 162. If t...

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  9. The sum of three consecutive even numbers is 28 more than the average ...

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  10. In a division sum, the divisor'd is 10 times the quotient'd and 5 time...

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  11. A man can do a piece of work in 30 hours. If he works with his son the...

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  12. A water tap fills a tub in 'p' hours and a sink at the bottom empties ...

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  13. John does (1)/(2) piece of work in 3 hours, Joe does (1)/(4) of the re...

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  14. A does (2)/(5) of a work in 9 days. Then B joined him and they togethe...

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  15. The daily wages of A and B respectively are Rs. 3. 50 and 2. 50. When ...

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  16. A man does double the work done by a boy in the same time. The number ...

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  17. The marked price of an article is 30% higher than the cost price. If a...

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  18. A merchant marked the price of an article by increasing its production...

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  19. A watch dealer pays 10% customs duty on a watch which costs Rs. 500 ab...

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  20. A shopkeeper allows 20% discount on his advertised price and to make a...

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