Common problems

We been solving many problems on daily basis and also covered up so many topics in mathematics, why don't we refresh our knowledge. Lets solve a few problems and understand mathematics.

Problem No.1

Find the LCM of 5 & 8

1. 38
2. 40
3. 39
4. 41

Answer= 41

Problem No.2

Find the first three multiples of 3

1. 2,4 and 6
2. 1,2 and 3
3. 3,6 and 9
4. 6, 9 and 12

Answer= 3,6 and 9

Problem No.3

Find all the factors of 50

1. 1, 2, 5, 10, 25 and 50
2. 2, 5, 10, 25 and 50
3. 1, 2, 5, 10 and 25
4. 2, 5, 10 and 25

Answer= 1, 2, 5, 10, 25 and 50.

Problem No. 4

The LCM of two prime numbers is _________?

1. Largest of two prime numbers.
2. Sum of the two prime numbers.
3. Smallest of the two prime numbers.
4. Product of the two prime numbers.

Answer= Product of the two prime numbers.

Above you see some solved problem of different concept, check them. Let me know your comments on this post. I am sure this was useful but let me know how useful you find my post.