Question

Find the LCM of the following by common division method : a) 54, 60 , 84 Ans:
b) 126, 175 , 420 , 630 Ans:
Q.5. Find the HCF of the following by the prime factorization method: (3) a) 30, 45 and 54 Ans:
b) 42, 55, 56 Ans:
c) 36 and 48 Ans:
Q.6. Given below are 4 cities and their elevation from sea level. (3)


PLACE ELEVATION INTEGERS Ramnagar 50 m below sea level Dhanibadh 10 m below sea level
Solaripur 80 m above sea level Mehfilstan 40 m above sea level
Write the elevation of these places in the form of integers in the blank column. Which places have the highest and the lowest elevation? Which places have their elevation 30 m above the sea level? hey please answer fast

Answer 1

Answer:

LCM

a) 3780

b) 6300

HCF

a) 3

b) 1

c) 12

Step-by-step explanation:

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