21,4,17,6,11,8 what is the next number?

Q: How many ways can 8 runners line up in a race

A: Draw the 8 lines and find the way that how many possible ways for 8 athletes on each place.

Q: START HERE: (7,2) AND (1,4)

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Q: How many 5 letter codes are possible from the first 7 letters of the alphabet? a.) letters can be…

A: Excel is used to obtain the line and bar graph for years of education and years of experience,…

Q: 3,5,12,55,648?

A: If we see this pattern clearly we can see  3,5,12,55,648 3*5-3 = 12 5*12-5 = 55 12*55-12 = 648 So…

Q: -2, 2, 12, 28, 50, 78, ?

A: We have to find the missing number in the given sequence by using the difference table .

Q: How to figure out the pattern of  729,243,81,27,_,_,_,_,_,1/27

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Q: How many different ways can 2 letters from the word SELECT be arranged?   answer is 21 (b)…

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Q: What is 30% of 79

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Q: How many words start and end with the same letter are written by replacing the letters of the word…

A: There are total 5 letter in the word " sarar". In which, the letters a and r have occurred twice.…

Q: The first 5 terms of a number pattern are 4,9, 14, 19, 24, ... Which expression is equivalent to the…

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Q: How many three-letter "words" can be made from 7 letters "FGHIJKL" if repetition of letters (a) is…

A: # Given Letters: FGHIJKL no of three letters words made if  1): repetition is allowed 2): if…

Q: Several states participate in Hot Lotto, a lottery that requires choosing 5 of the numbers 1-39 and…

A: It is given that lottery  requires choosing 5 of the numbers 1 to 39. Substitute n=39,r=5 in…

Q: How many different​ three-digit numbers can be formed using the digits 3, 4, 2, 5, 8, and 7…

A: To find how many different​ three-digit numbers can be formed using the digits 3, 4, 2, 5, 8 and 7…

Q: What number comes next? 6, 1, 8, 4, 2, 7 m,

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Q: WHAT IS 60% OF 20?

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Q: Visa cards have 16 digits. The first digit is always 4 as in 4xxxxx – with the 2nd to 6th digits…

A: There are 10 digits including zero. The first number should be 4. It is given that the 2nd to 6th…

Q: How many numbers consisting of 5 digits can be made from 1,2,3,4,5,6,7,8,9?

A: How many numbers consisting of 5 digits can be made from 1,2,3,4,5,6,7,8,9?

Q: Visa cards have 16 digits. The first digit is always 4 as in 4xxxxx – with the 2nd to 6th digits…

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Q: How many 6 letters words can be formed from the letters (U, N, I, T, E, D) --- Letters may be…

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Q: License plates in a certain state start with 3 letters (but they don’t use I or W) and then 3…

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Q: A DJ is preparing a playlist of 21 songs. How many different ways can the DJ arrange the firstsix…

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Q: Each person has two parents, four grandparents, eight great-grandparents, and so on. What is the…

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Q: What is the smallest multiple left out of this cluster of 12, 18,9,3 and 15

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Q: What is 10% of 75

A: We have to find 10% of 75

Q: what is 3% of 129.5

A: what is 3% of 129.5? (3/100)*129.5 0.03 * 129.5 = 3.885

Q: What is 2% of 76

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Q: ence 56, –28, 14,-7, ....

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Q: 1.) What's the next number pattern? 6, 13, 24, 51, 142, 2.) What's the next number pattern? 5, 9,…

A: We need to find the next number in the given patterns : 1). 6, 13, 24, 51, 142,........ 2). 5, 9,…

Q: What is the next number in the pattern 4, 12, 36, 108, ? .

A: A sequence is a set of numbers that has a particular order or they obey a general form. The nth term…

Q: Find the number of different ways that 995 contestants can win different first, second and third…

A: Given information- We have given that there are 995 contestants. We have to find the number of…

Q: Find the number of ways in which 5 economics books, 3 history books, and 2 mathematics books can be…

A: See the detailed solution below.

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A: Given: Word = SARASAR There are three letters in this word S, A, and R Words starting with S and…

Q: How many positive numbers less than 300 are divisible by 7 but not 5?

A: We need to find positive numbers less than 300 that are divisible by 7 but not by 5. First count the…

Q: how many 3-digit number we can form using 10 digits (0,1,2,3.......,8) if no repetition is allowed

A: The first digit have 9 choices (digits 1 -9) as zero cannot be the first digit.There will be 9…

Q: Standard automobile license plates in a particular country display 2 digits, followed by 2 letters,…

A: There are 10 digits from 0-9  There are 26 letters from A-Z   We can pick each digit in 10 ways and…

Q: A 4-digit number is selected from the numbers †,2,3,4,5,6} where the digits are selected withou…

A: Available Digits : 2,3,4,5,6   a) 4 digits numbers  : For first digit 5 options available, for…

Q: dala. 160, 164, 168, 172, 176, 180, 184 O

A: Range = Maximum  value - Minimum value           = 184 - 160            = 24 Mean, x = ∑ xin…

Q: Determine the missing number. 6, 12, 18, 36, 54,

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Q: Determine the missing numberL: 1/3, 3/9, 5/15, 7/21, 9/27,

A: In the series we see a constant number being added to numerator and denominator.

Q: How many multiples of 11 are in the set {1, 2, 3, .., 901}?

A: To find the number of multiples of 11 are in the set {1, 2, 3, ..., 901}, we use the following…

Q: what number comes next 6,1,8,4,2,7

A: The given series is 6,1,8,4,2,7 There are 3 different series in this one. First one consists of…

Q: How many seven-digit telephone numbers are possible if the first two digits cannot be ones or zeros?…

A: How many seven-digit telephone numbers are possible if the first two digits cannot be ones or zeros?…

Q: Which is the correct order of the numbers from least to greatest? 4 5 3, 0.4, -1, - 5' 4 5 4 0.4, 3…

A: NOTE: Refresh your page if you can't see any equations. . convert all numbers into decimal numbers

Q: Find the next number: 2, 3, 4, 6, 6, 9, 8, ? .

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Q: What is 34% of 50

A: So to get the 34% of 50, we get, => (34/100)*50 => therfore 34% of 50 is equal to…

Q: Predict the next three numbers in the pattern.   2​, 6​, 8​, 14​, 22​, 36​,

A: From the given data we find the next 3 numbers.

Q: −6, 25, 3, −8, 23, 13, 7, 20, 4, −1 What are the five number summary listing values in numerical…

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Q: How many whole numbers have 5 digits and that are even, if no digits are repeated? (0 cannot be the…

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Unitary Method

The word “unitary” comes from the word “unit”, which means a single and complete entity. In this method, we find the value of a unit product from the given number of products, and then we solve for the other number of products. 

Speed, Time, and Distance

Imagine you and 3 of your friends are planning to go to the playground at 6 in the evening. Your house is one mile away from the playground and one of your friends named Jim must start at 5 pm to reach the playground by walk. The other two friends are 3 miles away.

Profit and Loss

The amount earned or lost on the sale of one or more items is referred to as the profit or loss on that item.

Units and Measurements

Measurements and comparisons are the foundation of science and engineering. We, therefore, need rules that tell us how things are measured and compared. For these measurements and comparisons, we perform certain experiments, and we will need the experiments to set up the devices.