Questions

From Best to Worst

171 P6.PC.TL.16010103

Level 3
Some adult passengers are on a coach. If 25 tourists alight from the coach, the percentage of locals will increase from 15% to 40%. How many passengers are there in the coach?

3 m

Video Attempt

172 P6.AG.JC.17080458

Level 3
The table shows the number of pens sold at a bookshop last week.

What was the total number of pens sold last week? Express your answer in terms of b the simplest form.
If b = 20, how many pens were sold on Sunday?

3 m

Attempt

Algebra in 1 variable Algebra simplifying Algebra substitution Table

173 P6.PC.TL.16010102

Level 3
In a box, there are some mangosteens and lemons. If 80 more lemons are put into the box, the percentage of mangosteens will decrease from 70% to 30%. How many mangosteens are there in the box?

3 m

Video Attempt

Percent change to Percent to units Percent of different bases Unchanged quantity Units table

174 P6.PC.TL.16010101

Level 3
A store owner had 505 kg of fresh honeydews. The honeydews contained 60% water when fresh. One week later, there was only 50% water left in the honeydews. What was the mass of the honeydews one week later?

3 m

Attempt

Percent change to Percent to units Percent of different bases Mass Unchanged quantity Units table

175 P6.AP.TL.17090761

Level 2
The figure, not drawn to scale, is made up of 3 circles. The ratio of the area of the smallest circle to the largest circle is 2 : 5 while the shaded area is ³₇ of the unshaded area. What is the ratio of the shaded area to the area of the smallest circle?