How many integers between 1000 and 9999 are even digits?

How many integers between 1000 and 9999 are even digits?
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When the celebrated German mathematician Karl Friedrich Gauss (1777-1855) was nine he was asked to add all the integers from 1 through 100. He quickly added 1 to 100, 2 to 99, and so on for 50 pairs of numbers each adding to 101. 50 X 101=5,050.Now find the sum of all the digits in integers from 1 through 1,000,000,000.That's all the digits in all the numbers, not all the numbers themselves. -Riddles

Description : When the celebrated German mathematician Karl Friedrich Gauss (1777-1855) was nine he was asked to add all the integers from 1 through 100. He quickly added 1 to 100, 2 to 99, and so on for 50 pairs ... 1,000,000,000.That's all the digits in all the numbers, not all the numbers themselves. -Riddles

Last Answer : The numbers can be grouped by pairs: 999,999,999 and 0; 999,999,998 and 1' 999,999,997 and 2; and so on.... There are half a billion pairs, and the sum of the digits in each pair is 81. The digits in the unpaired number, 1,000,000,000, add to 1. Then: (500,000,000 X 81) + 1= 40,500,000,001.

If there are n integers to sort, each integer has d digits and each digit is in the set {1,2, ..., k}, radix sort can sort the numbers in: (A) O(d n k) (B) O(d nk) (C) O((d+n)k) (D) O(d(n+k))

Description : If there are n integers to sort, each integer has d digits and each digit is in the set {1,2, ..., k}, radix sort can sort the numbers in: (A) O(d n k) (B) O(d nk) (C) O((d+n)k) (D) O(d(n+k))

Last Answer : (D) O(d(n+k))

What is the sum of the integers 100 to 1000?

Description : What is the sum of the integers 100 to 1000?

Last Answer : Need answer

Suppose that data is an array of 1000 integers. Write a single function call that will sort the 100 elements data [222] through data [321].

Description : Suppose that data is an array of 1000 integers. Write a single function call that will sort the 100 elements data [222] through data [321].

Last Answer : quicksort ((data + 222), 100)

Does anyone have a link to a video of Atari Kaboom game reaching a high score of 9999?

Description : Does anyone have a link to a video of Atari Kaboom game reaching a high score of 9999?

Last Answer : I found this.

What is 999 999-9999 on my cell phone bill?

Description : What is 999 999-9999 on my cell phone bill?

Last Answer : What is the answer ?

If 9999 4 88888 18166 12120 then 1919?

Description : If 9999 4 88888 18166 12120 then 1919?

Last Answer : Need answer

Is 9999 pounds more than 5 tons?

Description : Is 9999 pounds more than 5 tons?

Last Answer : No 5 tons is greater than 9,999 pounds

Is 9999 more than 5 tons?

Description : Is 9999 more than 5 tons?

Last Answer : is 9,999 more than 5 tons`

Refer to the following TAF for Zurich LSZH 261019 20018G30KT 9999 –RA SCT050 BKN080 TEMPO 23012KT 6000 –DZ BKN015 BKN030 BECMG 1518 23020G35KT 4000 RA OVC010= The lowest visibility forecast at ETA Zurich 1430 UTC is: a. 6km b. 6nm c. 4km d. 10km

Description : Refer to the following TAF for Zurich   LSZH 261019 20018G30KT 9999 –RA SCT050 BKN080 TEMPO 23012KT 6000 –DZ  BKN015 BKN030 BECMG 1518 23020G35KT 4000 RA OVC010=  The lowest visibility forecast at ETA Zurich 1430 UTC is:  a. 6km  b. 6nm  c. 4km  d. 10km

Last Answer : a. 6km

Birmingham EGBB/BHX SA0850 280850 18014KT 9999 SCT 024 BKN030 BKN045 12/08 Q1011= FC0600 280600Z 280816 190015G27KT 9999 BKN025 TEMPO 0812 5000 – DZ BKN012 BECMG 1214 19022G37= FT0400 280434Z 281212 19022G37 9999BKN025 TEMPO 1902 5000 RA BKN010 BECMG 2201 25007KT Refer to the weather information for Birmingham, above. What is the total time for which the weather is forcast?

Description : Birmingham EGBB/BHX SA0850 280850 18014KT 9999 SCT 024 BKN030 BKN045 12/08 Q1011= FC0600 280600Z 280816 190015G27KT 9999 BKN025 TEMPO 0812 5000 - DZ BKN012 BECMG 1214 19022G37= FT0400 280434Z 281212 ... information for Birmingham, above. What is the total time for which the weather is forcast?

Last Answer : 28 hours

BIRMINGHAM EGBB/BHX SA0850 280850 18014kt 9999 SCT024 BKN030 BKN045 12/08 Q1011 = FC0600 280600Z 280816 190015G27kt 9999 BKN025 TEMPO 0812 5000 – DZ BKN012 BECMG 1214 19022G37 = FT0400 280434Z 281212 19022G37 9999 BKN025 TEMPO 1902 5000 RA BKN010 BECMG 2201 25007kt Refer to weather information for Birmingham above. What is the total time for which the weather is forecast? a. 9 hours b. 18 hours c. 24 hours d. 28 hours

Description : BIRMINGHAM EGBB/BHX SA0850 280850 18014kt 9999 SCT024 BKN030 BKN045 12/08 Q1011 = FC0600 280600Z 280816 190015G27kt 9999 BKN025 TEMPO 0812 5000 - DZ BKN012 BECMG 1214 19022G37 = FT0400 280434Z 281212 19022G37 9999 ... weather is forecast? a. 9 hours b. 18 hours c. 24 hours d. 28 hours

Last Answer : d. 28 hours

The ultrapure glass used to manufacture optical fibers is approximately ___pure ∙ a. 99.9 % ∙ b. 99.99 % ∙ c. 99.999 % ∙ d. 99.9999 %

Description : The ultrapure glass used to manufacture optical fibers is approximately ___pure ∙ a. 99.9 % ∙ b. 99.99 % ∙ c. 99.999 % ∙ d. 99.9999 %

Last Answer : d. 99.9999 %

Refer to the following TAF for Zurich LSZH 261019 20018G30KT 9999 –RA SCT050 BKN080 TEMPO 23012KT 6000 –DZ BKN015 BKN030 BECMG 1518 23020G35KT 4000 RA OVC010= The lowest visibility forecast at ETA Zurich 1430 UTC is: a. 6km b. 6nm c. 4km d. 10km

Description : Refer to the following TAF for Zurich LSZH 261019 20018G30KT 9999 –RA SCT050 BKN080 TEMPO 23012KT 6000 –DZ BKN015 BKN030 BECMG 1518 23020G35KT 4000 RA OVC010= The lowest visibility forecast at ETA Zurich 1430 UTC is: a. 6km b. 6nm c. 4km d. 10km

Last Answer : a. 6km

A digital voltmeter has a read-out range from 0 to 9999 counts. When full scale reading is 9.999 V, the

Description : A digital voltmeter has a read-out range from 0 to 9999 counts. When full scale reading is 9.999 V, the resolution of the instrument will be (a) 100 mV (b) 99 mV (c) 9 mV (d) 1 mV 

Last Answer : d) 1mV 9.999v÷9999v

I forgot the last digit of a 7-digit telephone number. If I randomly dial the final 3 digits after correctly dialing the first four, then what is the chance of dialing the correct number? a) 1/1001 b) 1/1000 c) 1/999 d) 1/990

Description : I forgot the last digit of a 7-digit telephone number. If I randomly dial the final 3 digits after correctly dialing the first four, then what is the chance of dialing the correct number? a) 1/1001 b) 1/1000 c) 1/999 d) 1/990

Last Answer : b) 1/1000

What are 4 consecutive even integers where the product of the smaller two numbers is 72 less than the product of the two larger numbers?

Description : What are 4 consecutive even integers where the product of the smaller two numbers is 72 less than the product of the two larger numbers?

Last Answer : 6 x 8 = 4810 x 12 = 120120 - 48 = 72

Find three consecutive even integers whose sum is -132?

Description : Find three consecutive even integers whose sum is -132?

Last Answer : 42, 44, 46.

Which of the following is/are not true? (a) The set of negative integers is countable. (b) The set of integers that are multiples of 7 is countable. (c) The set of even integers is countable. (d) The set of real numbers between 0 and 1/2 is countable. (A) (a) and (c) (B) (b) and (d) (C) (b) only (D) (d) only

Description : Which of the following is/are not true? (a) The set of negative integers is countable. (b) The set of integers that are multiples of 7 is countable. (c) The set of even integers is countable. (d) The set of real numbers between 0 ... . (A) (a) and (c) (B) (b) and (d) (C) (b) only (D) (d) only

Last Answer : (D) (d) only

I am a two-digit number. All my digits are even. No two digits are the same. None of my digits are prime numbers. I am not a multiple of ten. My tens digit is bigger than my other numbers. If you followed all the previous steps, there should be three options remaining the number is the option where if you add all the digits it’s exactly in the middle (in how big the number is) of all the other options with their digits added together. What number am I? -Riddles

Description : I am a two-digit number. All my digits are even. No two digits are the same. None of my digits are prime numbers. I am not a multiple of ten. My tens digit is bigger than my other numbers. ... big the number is) of all the other options with their digits added together. What number am I? -Riddles

Last Answer : If you followed all the steps apart from the last one there will be three options remaining: 64, 84, and 86. You then had to add up the digits, 64=6+4=10, 84=8+4=12, and 86=8+6=14. ... biggest number (12) and put it back as it was before the digits were added together and your answer should be 84.

I am a three-digit number. All of my digits are prime. One of the numbers is even. Each of my numbers are used only once. The total of my first and last digits equals 10. The total of my first two digits equals 5. -Riddles

Description : I am a three-digit number. All of my digits are prime. One of the numbers is even. Each of my numbers are used only once. The total of my first and last digits equals 10. The total of my first two digits equals 5. -Riddles

Last Answer : This one is fairly easy if you use elimination if you follow all the first 5 steps you get three options: 525, 327, and 723 but if you followed the last step you would reach your answer. The answer was 327.

So, I think my mind just broke. Why is the sum of all integers -1/12?

Description : So, I think my mind just broke. Why is the sum of all integers -1/12?

Last Answer : answer:The video lost me about 40 seconds in then he made this leap from 1+2+3+4… to 1+ x2 + 2x squared and so on. That may be obvious to a mathematician, but to me it was a giant leap of faith. And logically it doesn’t make sense either. So I am just as confused as you are.

How can I swap two integers without temporary variables using JavaScript code?

Description : How can I swap two integers without temporary variables using JavaScript code?

Last Answer : answer:This is a trick using the exclusive or operator ^ that was used when computers were short on memory. a = (a ^ b) /* a^b, b */ b = (a ^ b) /* a^b, a */ a = (a ^ b) /* b, a */ You can also do it using subtraction for numeric ... = a - b /* a - b, b */ b = b -a /* a-b, a */ a = b - a /* b, a */

What are the properties of the power set of the set of all integers?

Description : What are the properties of the power set of the set of all integers?

Last Answer : answer:Do you know what a power set is? If not, see the definition. Basically, you are dealing with sets instead of numbers. Each element of the domain and codomain is either a set of integers or ... or not explained enough in this answer. If you need me to elaborate on anything here, let me know.

The value of 1.999… in the form of p/q, where p and q are integers and -Maths 9th

Description : The value of 1.999… in the form of p/q, where p and q are integers and -Maths 9th

Last Answer : Value of 1.999 is given below .

The value of 1.999… in the form of p/q, where p and q are integers and -Maths 9th

Description : The value of 1.999… in the form of p/q, where p and q are integers and -Maths 9th

Last Answer : Value of 1.999 is given below .

How many integers are there between two successive interesting? -Maths 9th

Description : How many integers are there between two successive interesting? -Maths 9th

Last Answer : No integers are there between two successive integers

Express 0.6bar +0.7bar+0.47 bar in the form p/q where p and q are integers and q is not equal to 0 -Maths 9th

Description : Express 0.6bar +0.7bar+0.47 bar in the form p/q where p and q are integers and q is not equal to 0 -Maths 9th

Last Answer : Let x = 0.7Bar ⇒ x = 0.777.......... .........(1) Multiplying (1) by 10 ⇒ 10x = 7.7...... = 7.777 ...........(2) Subtracting (1) from (2) ⇒ 10x - x = 9x ⇒ 7.777 - 0.777 = 7 ... and then solving it, we get. ⇒ (594 + 770 + 470)/990 ⇒ 1834/990 ⇒ 917/495 Hence, 0.6 + 0.7Bar + 0.47Bar = 917/495

How many integers are there between two successive interesting? -Maths 9th

Description : How many integers are there between two successive interesting? -Maths 9th

Last Answer : This answer was deleted by our moderators...

Express 0.6bar +0.7bar+0.47 bar in the form p/q where p and q are integers and q is not equal to 0 -Maths 9th

Description : Express 0.6bar +0.7bar+0.47 bar in the form p/q where p and q are integers and q is not equal to 0 -Maths 9th

Last Answer : Let x=0.666....... (1) Multiply equation (1 by 10 10x = 6.666....... (2) Subtract equation (1) from (2) x=6/9 Similarly 0.7bar =7/9 and 0.47bar = 47/99. 6/9+7/9+47/99=190/99

Express 0.6 in the form p/q, where p and q are integers and q is not equals to 0. -Maths 9th

Description : Express 0.6 in the form p/q, where p and q are integers and q is not equals to 0. -Maths 9th

Last Answer : Let x = 0.6 recurring Then, x = 0.666..... ....(i) implies 10x = 6.666........ .....(ii) Substracting (i) from (ii),we get 9x = 6 implies x = 6/9 implies x = 2/3

Express 0.00323232... in the form p/q, where p and q are integers and q is not equals 0. -Maths 9th

Description : Express 0.00323232... in the form p/q, where p and q are integers and q is not equals 0. -Maths 9th

Last Answer : Solution :-

Express 0.35777... in the form p/q,where p and q are integers and q is not equals to 0. -Maths 9th

Description : Express 0.35777... in the form p/q,where p and q are integers and q is not equals to 0. -Maths 9th

Last Answer : Solution :-

Express:2.0151515... in the p/q form, where p and q are integers and q is not equals to 0. -Maths 9th

Description : Express:2.0151515... in the p/q form, where p and q are integers and q is not equals to 0. -Maths 9th

Last Answer : Solution :-

I is the set of integers. Describe the following relations in words, giving its domain and range. -Maths 9th

Description : I is the set of integers. Describe the following relations in words, giving its domain and range. -Maths 9th

Last Answer : R = {(0, 0), (1, – 1), (2, – 2), (3, – 3) ...} = {(x, y) : y = – x, x ∈ W} Domain = {0, 1, 2, 3, ....} = W, Range = {...,– 3, – 2, – 1, 0}

Let R be a relation on the set of integers given by a = 2^k .b for some integer k. Then R is -Maths 9th

Description : Let R be a relation on the set of integers given by a = 2^k .b for some integer k. Then R is -Maths 9th

Last Answer : (c) equivalence relationGiven, a R b = a = 2k .b for some integer. Reflexive: a R a ⇒ a = 20.a for k = 0 (an integer). True Symmetric: a R b ⇒ a = 2k b ⇒ b = 2-k . a ⇒ b R a as k, -k are both ... = 2k1 + k2 c, k1 + k2 is an integer. ∴ a R b, b R c ⇒ a R c True ∴ R is an equivalence relation.

An integer is chosen at random from the first two hundred positive integers. What is the probability that the integer chosen is divisible by 6 or 8 ? -Maths 9th

Description : An integer is chosen at random from the first two hundred positive integers. What is the probability that the integer chosen is divisible by 6 or 8 ? -Maths 9th

Last Answer : As there are 200 integers, total number of exhaustive, mutually exclusive and equally likely cases, i.e, n(S) = 200 Let A : Event of integer chosen from 1 to 200 being divisible by 6⇒ n(A) = 33 \(\bigg(rac{200}{6}=33rac{1}{3}\ ... (rac{25}{200}\) - \(rac{8}{200}\) = \(rac{50}{200}\) = \(rac{1}{4}\).

If a, b, c are distinct positive integers, then ax^(b–c) + bx^(c–a) + cx^(a–b) is -Maths 9th

Description : If a, b, c are distinct positive integers, then ax^(b–c) + bx^(c–a) + cx^(a–b) is -Maths 9th

Last Answer : answer:

If the roots of the equation x^3 – ax^2 + bx – c = 0 are three consecutive integers, then what is the smallest possible value of b ? -Maths 9th

Description : If the roots of the equation x^3 – ax^2 + bx – c = 0 are three consecutive integers, then what is the smallest possible value of b ? -Maths 9th

Last Answer : Let the roots of the equation x3 – ax2 + bx – c = 0 be (α – 1), α, (α + 1) ∴ S2 = (α – 1)α + α(α + 1) + (α + 1) ( ... ; 1 = b ⇒ 3α2 – 1 = b ∴ Minimum value of b = – 1, when α = 0.

Let ABCD be a parallellogram. Let m and n be positive integers such that n < m < 2n. Let AC = 2 mn -Maths 9th

Description : Let ABCD be a parallellogram. Let m and n be positive integers such that n < m < 2n. Let AC = 2 mn -Maths 9th

Last Answer : answer:

If n integers taken at random are multiplied together, then the probability that the last digit of the product is 1, 3, 7 or 9 is -Maths 9th

Description : If n integers taken at random are multiplied together, then the probability that the last digit of the product is 1, 3, 7 or 9 is -Maths 9th

Last Answer : (d) 226 × 52C26 | 104C26Since there are 52 distinct cards in a deck and each distinct card is 2 in number.∴2 decks will also contain only 52 distinct cards, two each.∴ Probability that the player gets all distinct cards = \(rac{^{52}C_{26} imes2^{26}}{^{104}C_{26}}\).

Cbqs (case base study ) of chapter 1 Integers maths class 7th -Maths-7

Description : Cbqs (case base study ) of chapter 1 Integers maths class 7th -Maths-7

Last Answer : 1. Determine each of the following products: (i) 12 7 (ii) (-15) 8 (iii) (-25) (-9) (iv) 125 (-8) Solution: (i) Given 12 7 Here we have to find the products of given numbers 12 7 = 84 Because the product of ... addition and subtraction. (-3) (-4) (-2) + (-1) = -3 2 -1 = - 6 - 1 = -7

Python : convert list of characters to list of integers -Web-Development

Description : Python : convert list of characters to list of integers -Web-Development

Last Answer : answer:

TypeError: slice indices must be integers or None or have an __index__ method (Python) -Web-Development

Description : TypeError: slice indices must be integers or None or have an __index__ method (Python) -Web-Development

Last Answer : answer:

Python - TypeError: list indices must be integers or slices -Web-Development

Description : Python - TypeError: list indices must be integers or slices -Web-Development

Last Answer : answer:

Generate a list of random numbers (integers) in Python -Web-Development

Description : Generate a list of random numbers (integers) in Python -Web-Development

Last Answer : answer:

Which of the following is not the same set of numbers A) counting numbers (B) positive integers (C) whole numbers (D) natural numbers?

Description : Which of the following is not the same set of numbers A) counting numbers (B) positive integers (C) whole numbers (D) natural numbers?

Last Answer : C. whole numbers can be negative and don't match the other sets

Which number is a counterexample for the following conjectureConjecture: All integers are either positive or negative.?

Description : Which number is a counterexample for the following conjectureConjecture: All integers are either positive or negative.?

Last Answer : A+0

What is the number at the end of the integers ?

Description : What is the number at the end of the integers ?

Last Answer : 1 or 4 or 5 or 7 or 9 at the end of the numbers that are whole squares.

What are the far right numbers of numbers that are not integers ?

Description : What are the far right numbers of numbers that are not integers ?

Last Answer : : The numbers to the far right of the integers are 2 or 3 or 7 or 8.