Math Olympiad K1_04 on Day:.........Month:..........Year:...........
Total Core =
Question 1: A study lamp in a room was initially off. When Sing entered, she pressed the lamp's switch 23 times. At the instant is the lamp switched on or off ?
Question 2: In 5 years' time, Sing will be 25 years old. How old is Sing now ?
Question 3: A study lamp in a room was initially on. When Usa entered, she pressed the lamp's switch 20 times. At the instant is the lamp switched on or off ?
Question 4: A study lamp in a room was initially off. When Usa entered, she pressed the lamp's switch 30 times. At the instant is the lamp switched on or off ?
Question 5: Ann has 20 cookies while Deo has half as many cookies as Ann. How many cookies do they have together ?
Question 6: Ann has 40 cookies while Deo has half as many cookies as Ann. How many cookies do they have together ?
Question 7: A study lamp in a room was initially on. When Tong entered, she pressed the lamp's switch 23 times. At the instant is the lamp switched on or off ?
Question 8: Tong has 60 cookies while Thy has half as many cookies as Ann. How many cookies do they have together ?
Question 9: A study lamp in a room was initially off. When Tong entered, she pressed the lamp's switch 41 times. At the instant is the lamp switched on or off ?
Question 10: Lika has 40 cookies while Linich has half as many cookies as Ann. How many cookies do they have together ?