What does LCM stand for?

Determine the LCM of the following three terms: . 

Sipho, Sarah, Tom and Puleng bought 2 pizzas of the same size. Sipho ate two quarters of a pizza. Tom, Sarah and Puleng ate one quarter of a pizza each. How much pizza was left?

The numbers 5, 10, 15, 20, 25, 30, 35, 40, 45, 50, 55, and 60 are all ______of 5. 

Determine the LCM of the denominators of the fractions   and .

Which list is made up of multiples of 4?

What will be the buying price of 12 kg of sugar at R20 per kg when a 9% VAT is added?

A picture is 80 cm wide and 1.6 cm long. The ratio of its width to its length in its lowest form is ______.

Two numbers are in the ratio 7:8. If the sum of the numbers is 105, then the larger number is: