Question 1: Choose the calculation that has the greatest result.a. 125,7 : 3 + 14,3b. 365,5 : 5 - 17,8c. 59,8 : 2 + 26,13d. 196,4 : 4 - 7,07Question 2: Which fraction is equal to 17,5%?a. 35/20 b. 7/40 c. 35/50 d. 175/100Question 3: Mia wants to buy apple. Which is the best buy?a. 7kg of apples for $30,38b. 5kg of apples for $21,5c. 6kg of apples for $26,1d. 4kg of apples for $17,32Question...
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Question 1: Choose the calculation that has the greatest result.
a. 125,7 : 3 + 14,3
b. 365,5 : 5 - 17,8
c. 59,8 : 2 + 26,13
d. 196,4 : 4 - 7,07
Question 2: Which fraction is equal to 17,5%?
a. 35/20 b. 7/40 c. 35/50 d. 175/100
Question 3: Mia wants to buy apple. Which is the best buy?
a. 7kg of apples for $30,38
b. 5kg of apples for $21,5
c. 6kg of apples for $26,1
d. 4kg of apples for $17,32
Question 4: Peter counts his heart rate. He counts 8 beats per 6 seconds on average. How many beats per minute does Peter count?
a. 75 b. 140 c. 60 d. 80
Question 5: Which shape is colored more than 50% in green?
Question 6: The product: 20 x 21 x 22 x ..... x 40 has ....... digit 0.
a. 4 b. 6 c. 5 d. 3
Question 7: If number A is increased by 60% then it will equal number B. How much percentage will B be decreased by to equal A?
a. 40% b. 62,5% c. 37,5% d. 60%
Question 8: Find the smallest number that is 7 times the sum of its digits?
a. 28 b. 21 c. 14 d. 35
Question 9: Calculate:Choose the correct answer:
a. 767/768 b. 711/768 c. 255/256 d. 85/256
Question 10: How many fractions equal 1/5 and have denominators of 2 - digit numbers?
a. 16 b. 18 c. 22 d. 20
Question 7: If number A is increased by 60% then it will equal number B. How much percentage will B be decreased by to equal A?
a. 40% b. 62,5% c. 37,5% d. 60%
D.60%
Vì A tăng 60%thì bằng B