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LCM of two numbers is 7700 and HCF is 11. If one number is 308 then other number is
Which greatest possible length can be used to measure exactly 15 meter 75 cm, 11 meter 25 cm and 7 meter 65 cm
Convert first all terms into cm.
i.e. 1575 cm, 1125cm, 765cm.
Now whenever we need to calculate this type of question,
we need to find the HCF. HCF of above terms is 255.
Find the greatest number which on dividing 1661 and 2045, leaves a reminder of 10 and 13 respectively
In this type of question, its obvious we need to calculate the HCF,
trick is HCF of (1661 - 10) and (2045 -13)
= HCF (1651, 2032) = 127
Find the largest number which divides 62,132,237 to leave the same reminder
Trick is HCF of (237-132), (132-62), (237-62)
= HCF of (70,105,175) = 35
Find the largest number of four digits which is exactly divisible by 27,18,12,15
LCM of 27-18-12-15 is 540.
After dividing 9999 by 540 we get 279 remainder.
So answer will be 9999-279 = 9720
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