Question

[Dương Hoàng Tuấn]

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

Answer 1

[Vũ Võ Châu Nương]

HỎI J LẮM THẾ SAO TRẢ LỜI