TERM 1 EXAM

given that the integers from 1 to 100. Write the multiple of 3 and 5.

given that the integers from 1 to 50. find a prime number which is one more than a multiple of 5.

a blue light flashes every 72 minutes and a red light flashes every 27 minutes. if they flash together at 08.10. when will they flash again?

venn Diagram above is represent the set of ...

here is a sequence of patterns made using matchsticks.

Find an expression for the number of matchsticks in Pattern n.