Level 3
In a school hall, a certain number of students can be arranged such that there are exactly 21 students per row. If the same number of students arranged in rows of 16 students each, there will be 7 more rows and 8 students left over. How many students are there altogether?
Level 3
Ivan and Ryan earned the same amount each month. Ivan saved 34 of his pay and Ryan saved 25 of his pay. Ivan saved $160 more than Ryan in a month. How much did Ryan save in a month?
Level 3
Fred, Vaidev, Ryan and George went shopping with a total of $618. After shopping, they had a total of $88 left. Vaidev spent $100. The amount Ryan spent was 23 the amount spent by Fred. The total amount spent by Fred and Vaidev was $204 less than the total amount spent by Ryan and George. How much did Fred and George spend altogether?
Level 3
At the end of May, Xandra had thrice as many 20-cent coins as 50-cent coins in her piggy bank. She took out 70 20-cent coins and exchanged it for 50-cent coins of the same value. In June, she saved another 38 20-cent coins and some 50-cent coins. She then had four times as many 50-cent coins in the end. She had 500 coins in the end. How many 50-cent coins did she save in June?
Level 3
Asher and Pierre had 62 tarts altogether. After Asher ate 16 of his tarts and Pierre ate 10 tarts, the number of tarts Pierre had left was four times the number of tarts Asher had left. How many more tarts did Pierre have than Asher at first?
