Question

17. The product of two numbers is 2160 and their HCF is 12. Find their LCM.
18. The product of two numbers is 2560 and their LCM is 320. Find their HCP.
19. The HCF of two numbers is 145 and their LCM is 2175. If one of the numbers is 725. the
the other
20. The HCF and LCM of two numbers are 131 and 8253 respectively. If one of the numbers
917. find the other.
21. Find the least number divisible by 15, 20, 24.32 and 36.
22. Find the least number which when divided by 25. 40 and 60 leaves 9 as the remainder
each case.
23. Find the least number of five digits that is exactly divisible by 16, 18, 24 and 30.
24. Find the greatest number of five digits exactly divisible by 9, 12, 15, 18 and 24.
25. Three bells toll at intervals of 9, 12, 15 minutes. If they start tolling together, after what time
will they next toll together?
26. Three boys step off together from the same place. If their steps measure 36 cm, 48 cm and
54 cm, at what distance from the starting point will they again step together?
27. The traffic lights at three different road crossings change after every 48 seconds 72
seconds and 108 seconds. If they start changing simultaneously at 8 a.m., after how much
time will they change again simultaneously?​

Answer 1

Answer:

poori book na de deti

itna kon copy paste karta hai