Recent questions tagged digit

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Let $f(x)$ be the polynomial $\prod_{k=1}^{50}(x-(2 k-1))$. Let $c$ be the coefficient of $x^{48}$ in $f(x)$. When $c$ is divided by 101 , what is the remainder? (The remainder is an integer between 0 and 100.)

asked Dec 8, 2022 in Mathematics by ♦MathsGee Diamond (89,349 points) | 69 views

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What remainder do you get when you divide $n$ by 100 ? (The remainder is an integer between 0 and 99, inclusive.)

asked Dec 8, 2022 in Mathematics by ♦MathsGee Diamond (89,349 points) | 76 views

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Determine a five-digit number $N$ whose digits are nonzero and which is equal to the sum of all distinct three-digit numbers that can be formed from the digits of $N$

asked Sep 23, 2022 in Mathematics by ♦MathsGee Diamond (89,349 points) | 122 views

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Show that there exists a positive multiple of 1996 whose sum of digits is 1996.

asked Sep 22, 2022 in Mathematics by ♦MathsGee Diamond (89,349 points) | 118 views

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What is a multiple of a number?

asked Aug 24, 2022 in Mathematics by ♦MathsGee Diamond (89,349 points) | 139 views

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\[ a !+b !=(a b)^{2} \] if $a b$ is a two-digit number. \[ a+b=? \]

asked Aug 15, 2022 in Mathematics by ♦GaussTheBot Diamond (45,886 points) | 115 views

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How many different number-plates for cars can be made if each number-plate contains four of the digits 0 to 9 followed by a letter $A$ to $Z$, assuming that

asked Jul 22, 2022 in Data Science & Statistics by ♦GaussTheBot Diamond (45,886 points) | 247 views

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When the expression $\left(2^{1}\right)\left(2^{2}\right)\left(2^{3}\right) \cdots\left(2^{99}\right)\left(2^{100}\right)$ is written as an integer, what is the product of the tens digit and the ones digit?

asked Jul 10, 2022 in Mathematics by ♦GaussTheBot Diamond (45,886 points) | 123 views

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What is the hundreds digit in the following product: $5 \times 6 \times 7 \times 8 \times 9 \times 10$ ?

asked Jul 10, 2022 in Mathematics by ♦GaussTheBot Diamond (45,886 points) | 101 views

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If $n=1 d 41_{8}$, where $d$ represents a base-8 digit (and $1 d 41_{8}$ represents a four-digit number whose second digit is $d$ ), then what is the sum of all possible values of $n$ in base $10 ?$

asked Jul 8, 2022 in Mathematics by ♦GaussTheBot Diamond (45,886 points) | 165 views

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A positive integer $X$ is 2 more than a multiple of 3 . Its units digit is the same as the units digit of a number that is 4 more than a multiple of 5 . What is the smallest possible value of $X$ ?

asked Jul 8, 2022 in Mathematics by ♦GaussTheBot Diamond (45,886 points) | 141 views

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How many three-digit numbers are there whose first digit is 2 and the sum of all three digits is 7 ?

asked Jul 6, 2022 in Mathematics by ♦GaussTheBot Diamond (45,886 points) | 155 views

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What is the last decimal digit of $3^{2010}$ ?

asked Jun 4, 2022 in Mathematics by ♦GaussTheBot Diamond (45,886 points) | 141 views

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How do I find unit digit of $13^{14^{15^{16}}}$ ?

asked Mar 24, 2022 in Mathematics by ♦MathsGee Diamond (89,349 points) | 164 views

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$A B C D$ is a 4 digit number such that $A B$ and $C D$ are square numbers, and $B C=2 \times A B$. What are the possible values of ABCD?

asked Mar 24, 2022 in Mathematics by ♦MathsGee Diamond (89,349 points) | 355 views

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What is the hundreds digit in 395491 ?

asked Mar 8, 2022 in Mathematics by ♦GaussTheBot Diamond (45,886 points) | 182 views

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Determine the value of the number shown rounded to each digit's place value

asked Jan 11, 2022 in Mathematics by ♦MathsGee Diamond (89,349 points) | 184 views

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Can someone show me how to determine the place value of each digit of a number

asked Jan 11, 2022 in Mathematics by ♦MathsGee Diamond (89,349 points) | 176 views

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If the license plates in a particular state consist of three letters followed by three numbers, what is the probability that a randomly generated plate begins with the letters "NUT"?

asked Sep 5, 2021 in Mathematics by Siyavula Wooden Status (4,159 points) | 396 views

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There are 80 learners who travel by bus and 120 learners who travel by taxi, then we have a ratio of 80 (bus) to 120 (taxi). What is this in its simplest form?

asked Feb 20, 2021 in Mathematics by ♦MathsGee Diamond (89,349 points) | 263 views

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Find the sum of all two digit whole numbers which are divisible by 11?

asked Jan 11, 2021 in Mathematics by ♦MathsGee Diamond (89,349 points) | 3,252 views

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What is the difference between the values of the underlined digits in the following numbers:

asked Dec 6, 2020 in Mathematics by ♦CT Silver Status (24,686 points) | 1,248 views

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Please help me to write the following number in its simplest numeric form.

asked Dec 6, 2020 in Mathematics by ♦CT Silver Status (24,686 points) | 325 views

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Help me with the value of the underlined digit in this number:

asked Dec 6, 2020 in Mathematics by ♦CT Silver Status (24,686 points) | 422 views

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What is the value of the underlined digit?

asked Dec 3, 2020 in Mathematics by ♦CT Silver Status (24,686 points) | 3,617 views

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What is the place value of the underlined digit?

asked Dec 3, 2020 in Mathematics by ♦CT Silver Status (24,686 points) | 945 views

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What are the values of each of these underlined digits?

asked Dec 3, 2020 in Mathematics by ♦CT Silver Status (24,686 points) | 224 views

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Help me to find the value of the underlined digit:

asked Dec 2, 2020 in Mathematics by ♦CT Silver Status (24,686 points) | 310 views

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I forgot the value of the underlined digit here:

asked Dec 2, 2020 in Mathematics by ♦CT Silver Status (24,686 points) | 202 views

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What is the value of the digit 3 in the number 100 307?

asked Nov 24, 2020 in Mathematics by ♦CT Silver Status (24,686 points) | 204 views

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Do you know the value of the digit 5 in 5690?

asked Nov 21, 2020 in Mathematics by ♦CT Silver Status (24,686 points) | 236 views

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What is the probability of getting a license plate that has a repeated letter or digit if you live in a state where the license plate scheme is four letters followed by two numerals?

asked Sep 24, 2020 in Data Science & Statistics by ♦MathsGee Diamond (89,349 points) | 414 views

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What is the number?

asked Jun 18, 2020 in Mathematics by ♦MathsGee Diamond (89,349 points) | 185 views

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is there a mental trick to quickly work out all the factors of a three digit number?

asked Apr 30, 2020 in Mathematics by ♦MathsGee Diamond (89,349 points) | 439 views

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For a car chosen at random, what is the probability that the number plate starts with a '$Y$' and ends with an odd digit?

asked Sep 22, 2019 in Mathematics by ♦adminTedsf Wooden Status (1,351 points) | 803 views

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What is the value of 6 in 75,62?

asked Jun 9, 2019 in Mathematics by ♦MathsGee Diamond (89,349 points) | 412 views

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The value of the digit 8 in 785 329 is …

asked Jun 9, 2019 in Mathematics by ♦MathsGee Diamond (89,349 points) | 1,858 views

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What is the largest two digit prime number?

asked Feb 25, 2019 in Mathematics by anonymous | 170 views

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