16 January

👆🏼The first four terms in a sequence are 2, 5, 8, 11. The nineteenth term in the sequence is 56. What is the 23rd term?

👇🏼Calculate y in the following diagram:

🖐🏼Solve the simultaneous equations 2x + 4y = 24 and 6x – 5y = 21

👈🏼To 2 significant figures, the weight of a net is 10g and the weight of an orange is 130g.

What is the upper bound for the weight of a net containing 8 oranges?

👈🏼A bicycle lock has four rotating wheels, each of which can display a single digit from the set {0, 1, 2, 3 ,4 ,5 , 6, 7, 8, 9}. How many different 4 digit numbers can be used to lock the bike?