The sum of two numbers is the greatest 2 - digit number and their difference is 13. The greater number is 56
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An infinite sequence of numbers 1, 2, 3, 5, 8, 3, 1, 4, 5, 9, 4, … follows the
pattern such that starting from the third number, each number is equal to the units
digit of the sum of the two numbers in the sequence immediately preceding it.
What is the 2019th number of the sequence?
Integers from 1 to 20 inclusive are written on the board.Any 2 numbers on the board are erased and then the sum of the two erased number are written on the board.This process is repeated exactly 18 times.Now there are just 2 numbers left on the board,so that one is 6 times the other.Find the smallest number of the two.Dịch cho mik với nha!
Find the greatest 3 digit number such that the product of its digits is 432
the sum of two number is equal to77
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. 10 b. 12 c. 18 d. 20Question 2: What is the product of 3.05 and 2.8?a. 8.54 b. 8.056 c. 8.56 d. 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. $18...
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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
Exam number 2: Tìm cặp bằng nhau
Exam number 3: Fill in the blank with the suitable number
Question 1 The length of each edge of a cube is 3 cm. The surface area of the cube, in cm2, is .............
Question 2: At the beginning of the summer, Bob was 140 cm tall. At the end of the summer, he measured his height again and discovered that it had increased by 5%. Measured in cm, what was his height at the end of summer?
Question 3: The number of centimetres in 7.05 metres is ...............
Question 4: Bella scores on six of her eight pictures. The percentage of pictures that she does not score on is .........%.
Question 5: A bag contains green marbles and red marbles only. If the ratio of the number of green marbles to the number of red marbles is 1:4 then ............% of marbles are green.
Question 6: How many even numbers between 1 and 100 are divisible by 5?
Question 7: Alice is going to the store. One third of the way to the store, she stops to talk with Kelly. She then continues for 6 km and reaches the store. How many kilometres does she travel?
Question 8: How many three-digit numbers are exactly 19 more than a two-digit number?
Question 9: In the 3×3 table shown, the numbers 2, 4 and 6 are placed so that each number occurs only once in each row and only once in each column. The value of M + N is ............
Question 10: How many different 3-digit whole numbers can be formed using the digits 4, 5, 0 and 8, assuming that no digit can be repeated in a number?
If the five-digit number 24N14 is divided by 9, the remainder is 1. Find N
the sum of two odd numbers is 112 . Find those numbers if there are 6 odd numbers between them.
The sum of 2 positive integers a;b ends with 5.Find the last digit of the number a x b x (a + b).Dịch dùm mik nha!
Toby wrote down numbers from 1 to 100 on the whiteboard. Which digit appeared the least number of times?