Level 3
Daniel had to solve some Science questions during a 3-week school holidays. At the end of the first week, the ratio of the number of questions solved to the number of questions unsolved was 3 : 7. At the end of the second week, Daniel solved another 36 questions and the number of unsolved questions became ¹₄ of the total number of questions. How many questions did Daniel need to solve on the third week to complete his assignment?

Level 3
Janet wanted to finish reading a 231-page book by the end of the week. On Monday she read ³₇ of the book and by Friday the ratio of the number of pages read to the total number of pages was 9 : 11. Find the number of pages Janet would need to read during the weekend in order for her to complete the entire book.

Level 3
At a fruit stall, 280 mangoes were sold in the morning and ³₅ of the remaining mangoes were sold in the afternoon. As a result, the number of mangoes left became ¹₆ of the total number of mangoes at first. Given that the mangoes were sold at $2.50 in packs of six mangoes, how much did the fruit stall receive from the sale of the mangoes in the afternoon?

Level 3
The ratio of the number of papayas to the number of peaches that a fruit seller had was 5 : 11. After he sold half of the peaches, there were a total of 252 papayas and peaches left at the fruit stall.

1. How many papayas were there at the stall?
2. If he sold the remaining peaches in bags of 6 at $3.50 per bag, how much would he receive for them?

Level 3
The number of red grapes is the same as the number of green grapes in a bag. After removing ¹₄ of the grapes, there were 36 red grapes and 54 green grapes left in the bag. Then another 20 red grapes and 20 green grapes were removed and there were ⁵₁₂ of the grapes left in the end. How many red grapes were removed altogether?