RRB Group-D Model Paper 15 with answers for online practice

Question : 36 of 100

Marks: +1, -0

Find the least common multiple of 56 and 50.

Solution:

LCM of 56, 50
⇒ Factors of 56 =

2^3

× 7
⇒ Factors of 50 =

5^2

× 2
Now, multiplication of highest power of all the prime factors will be LCM
⇒

2^3 × 7^1 × 5^2 = 1400

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