Year 10 MO Round 1

The LCM of x² + 2x -15 and x²-9 is:

• (x + 5) (x +3)

• (x + 5) (x -3)(x+3)

• (x-1) (x-14)

• (x+7) (x - 5)

A card is drawn randomly from the pack of 52 playing cards. Find the probability of getting the card is diamond or jack

A coin is tossed two times. find the probability of getting head two times

Change 372cm into metres

• 3720m

• 3.72m

• 37.2m

• 37200m

Find the correct formula for density

There are 30 pupils in a class.

The number of boys is twice the number girls?

How many girls are there?

Round this number to 1 significant figure:

23.476

• 20

• 23

• 23.5

• 2

What's the value of ?

• 1

• 3

• 9

• 10

What's the value of the final line?

• 120

• 114

• 64

• 39