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1、In 2023, 16 June falls on a Wednesday. On what day of the week will 16 June fall in2023? 2、If half of a number is 30, then three-quarters of that number is____. 3、The sum of the digits of the following product 999×555 4、Three positive integers have a sum of 28. The greatest possible product that these integers can have is_____. 5、In what follows, □ and Δ are different numbers.When 503 is divided by □ the remainder is 20.When 503 is divided by Δ the remainder is 20.When 493 is divided by □ x Δ the remainder is_____. 6、A lady, her brother, her son and her daughter (all related by birth) played volleyball. The worst player's twin (who is one of the four players) and the best player are of opposite sex.The worst player and the best player are of the same age.Who cannot be the worst player(s)? A) brother only B) daughter only C) son and daughter only D) lady and daughter only E) lady only 7、If you continue the given number pattern, in what row and in whatposition in that row will the number 320 be? 1 -------------- row 1 2 3 -------------- row 2 4 5 6 -------------- row 3 7 8 9 10 -------------- row 4 The answers are given in the order of row ; position. 参考答案： 1、Wednesday 2、45 3、27（求数位上上的数字之和） 4、28=9+9+10，因此答案为810 5、503-20=483 483=3×7×23＝21×23，因此□ x Δ＝483，因此此题余数是10. 6、D 7、25，20 | 
