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Given that A, B , C represent three distinct digits. If 7A90901 is larger than 79B9001, which is in turn larger than 798900C, what is the value of A x B x C?
if the denominator of a fraction is 2 units more than it's numerator and this fraction equals 2/3 then this fraction is a/b . the value of a is?
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If n is a natural number and n<12.03<n+5 then the smallest value of n is
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the nummerator of a fraction is 5 less than its denominator. If both nummerator are decreased by 3, the value of the fraction becomes 6/7w what is the numerator of the original fraction.
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Exam number 1: Đi tìm kho báuQuestion 1:There are 40 students in Mrs. Browns class. 25% of her students received a B on the test. How many students received a B?a. 10b. 12c. 18d. 20Question 2:What is the product of 3.05 and 2.8?a. 8.54b. 8.056c. 8.56d. 8.054Question 3:A clothing shop is having a 40% off sale. How much would Jane have to pay for a $30 sweater with a 40% discount?a. $18b. $20c. $50d. $13Question 4:If a pen costs $1.75 and an eraser costs $0.85, which of the following is the cost o...
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Exam number 1: Đi tìm kho báu
Question 1:
There are 40 students in Mrs. Brown's class. 25% of her students received a B on the test. How many students received a B?
- a. 10
- b. 12
- c. 18
- d. 20
Question 2:
What is the product of 3.05 and 2.8?
- a. 8.54
- b. 8.056
- c. 8.56
- d. 8.054
Question 3:
A clothing shop is having a 40% off sale. How much would Jane have to pay for a $30 sweater with a 40% discount?
- a. $18
- b. $20
- c. $50
- d. $13
Question 4:
If a pen costs $1.75 and an eraser costs $0.85, which of the following is the cost of 10 erasers and 5 pens?
- a. $21.75
- b. $26
- c. $18.75
- d. $17.25
Question 5:
If the area of the rectangle ABCD is 60cm2 then the area of the trapezoid MNCD is ..........cm2.
- a. 48
- b. 50
- c. 45
- d. 54
The product of positive numbers A and B is 448. A is 7 times of B. Find the value of A.
Câu 9:
The average mass of a group of children is 47kg. If of the number of children are girls and their average mass is 39kg. Find the average mass of the boys.
Answer: The average mass of the boys is kg
Câu 10:
A 6-digit number begins with the digit 8. The number is divisible by 9 and all digits of the number are different. What is the possible smallest value of this number?
Answer: