Twos

Vojta started writing the number of this year 2019202020192020 into the workbook. .. And so he kept going. When he wrote 2020 digits, no longer enjoyed it. How many twos did he write?

Correct answer:

n =  757

Step-by-step explanation:

$$\begin{gathered} p=20192020 \\ d(p)=8 \\ 2020=252\cdot 8+4 \\ n=252\cdot 3+1=757 \end{gathered}$$

Try another example

Related math problems and questions:

• Star equation
  Write digits instead of stars so that the sum of the written digits is odd and is true equality: 42 · ∗8 = 2 ∗∗∗
• Z9-I-4
  Kate thought a five-digit integer. She wrote the sum of this number and its half at the first line to the workbook. On the second line wrote a total of this number and its one fifth. On the third row, she wrote a sum of this number and its one nines. Fina
• Dozen
  What is the product of 26 and 5? Write the answer in Arabic numeral. Add up the digits. How many of this is in a dozen? Divide #114 by this
• Coloured numbers
  Mussel wrote four different natural numbers with coloured markers: red, blue, green and yellow. When the red number divides by blue, it gets the green number as an incomplete proportion, and yellow represents the remainder after this division. When it div
• Sum of the digits
  How many are two-digit natural numbers that have the sum of the digits 9?
• Number train
  The numbers 1,2,3,4,5,6,7,8 and 9 traveled by train. The train had three cars and each was carrying just three numbers. No. 1 rode in the first carriage, and in the last carriage was all odd numbers. The conductor calculated sum of the numbers in the firs
• Digits
  Write the smallest and largest 2-digit natural number.
• Mystery number
  A mystery number is between 800 and 920. No digits are the same. The difference of the numbers 5. What is the mystery number?
• Alarm clock
  The old watchmaker has a unique digital alarm in its collection that rings whenever the sum of digits of the alarm is equal to 21. Find out when the alarm clock will ring. What is their number? List all options . ..
• Fluid
  We have vessels containing 7 liters, 5 liters and 2 liters. Largest container is filled with fluid the others empty. Can you only by pouring get 5 liters and two 1 liter of fluid? How many pouring is needed?
• Six-digit primes
  Find all six-digit prime numbers that contain each one of digits 1,2,4,5,7, and 8 just once. How many are they?
• Group
  A group of kids wanted to ride. When the children were divided into groups of 3 children, one remain. When divided into groups of 4 children, 1 remains. When divided into groups of 6 children, 1 remains. After divided into groups of 5 children, no one lef
• Z7-I-4 stars 4949
  Write instead of stars digits so the next write of product of the two numbers to be valid: ∗ ∗ ∗ · ∗ ∗ ∗ ∗ ∗ ∗ ∗ 4 9 4 9 ∗ ∗ ∗ ∗ ∗ ∗ 4 ∗ ∗
• Year 2018
  The product of the three positive numbers is 2018. What are the numbers?
• Unknown number
  Samuel wrote unknown number. Then he had add 200000 to the number and the result multiply by three. When it calculated he was surprised, because the result would have received anyway, if write digit to the end of original number. Find unknown number.
• Big number
  hat is the remainder when dividing number 10 to 47 - 111 by number 9?
• Year 2020
  The four-digit number divided by 2020 gives a result of 1, **. (Can not be in form 1,*0. ) Write all the options.