Level 3
Tim had 672 coins. 27 were pink and the rest were yellow and blue. The ratio of the number of yellow coins to the number of blue coins was 1 : 3. Tim decided to buy some more pink coins to increase the number of pink coins to half of the total number of coins.
How many less yellow coins than pink coins did he have at first?
Level 3
In an envelope, there were a total of 144 notes. 75% of them were $1-notes. The rest were $2-notes. Neave took out some $1-notes. As a result, the remaining $1-notes made up 25% of the notes left in the envelope. Find the total value of the $1-notes Neave took out from the envelope.
Level 3
The number of mangoes at a shop was 70% more than the number of pomegranates. After 60% of the pomegranates were sold, there were 39 more mangoes than pomegranates. Find the total number of mangoes and pomegranates at the shop at first.
Level 3
At a wedding, 49 of the guests were men and the rest were women. Some men then
left the wedding and the remaining number of men were 25 of the guests. 44 men
then joined the wedding.
The number of guests in the end was 12 more than the number of guests at first.
How many guests were there at first?
Level 3
20% of the people are performers for a concert and the rest are spectators. 80% of the spectators are adults and there are 3900 more adults spectators than children spectators. How many adult spectators must leave so that 25% of the people in the concert are adult spectators?
