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Divisible by 21
Write a function to determine if a number is divisible by 21.

7 years ago

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Who have the chance?
Obtain a free 10 score in cody, if you have a chance don't change anything if you want to try or do what you can do to gain for ...

7 years ago

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Logistic map
The sequence defined by x_n = 4*r*x_{n-1}*(1-x_{n-1}) and a given 0 < x_1 < 1 turns x_n for an n > 0 into a polynomial of r. ...

7 years ago

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Sum of self power series
The series, 1^1,2^2,3^3,4^4,.... Find the sum of such series when x terms are given.

7 years ago

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Where's Waldo?
Find the string 'Waldo' in the character matrix given and return the indices of where you found him as a 4x2 matrix whose contai...

7 years ago

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Determinants
Given a square matrix(A), find the determinant(d). For example: A = [1,3;4,5] d = 1*5-4*3 = -7

7 years ago

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Check availability of a number in an array
An array is given A=[1 2 3 4 5 7 8 9 10]. Find whether the number n is present in given array or not. If the number n is prese...

7 years ago

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what is the cosine of pi
what is the cosine of pi

7 years ago

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raise 1/3
raise 1/3

7 years ago

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what is the speed of the car if the car travelled 10m in 5 seconds
what is the speed of the car if the car travelled 10m in 5 seconds

7 years ago

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Area of square
find the area of the square, whose length of diagonal is given as x.

7 years ago

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Moving Product (Easy)
Given an input array A, write a function *movprod(A,k,dim)* to calculate the moving product over a sliding window of length *k* ...

7 years ago

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what is sin of 0
what is sin of 0

7 years ago

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calculate PI without using pi function
There are many methods to get the pi(Ratio of circumference to diameter). You should get pi without using the pi function in M...

7 years ago

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Even or Odd
Write a function witch can give us an answer if this a value given x is odd or even, if x is even return true and if x is odd re...

7 years ago

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Percentage profit:6: Cumulative Interest
If a bank is giving r% yearly cumulative interest for deposit, how much money we can get by depositing x amount of money monthly...

7 years ago

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Percentage profit:4
If a shopkeeper is selling W gram of salt in 1 dollar he will face r% loss. How much salt he should sell in grams to make r% pro...

7 years ago

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Percentage profit:3
x% product is sold at r1% profit. However, our target overall profit is rt%. What is the required percentage profit to meet the ...

7 years ago

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Percentage profit:2
If you are selling at x dollar, you are facing r1% profit; what will be the selling price for making r2% profit?

7 years ago

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Percentage profit
If you are buying at x dollar, what will be the selling price for making the r% profit?

7 years ago

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Determine whether the number is multiple of 3 or not
Let a=6 and as 6 = 2*3 which means 6 is multiple of 3; return true if a is multiple of 3,otherwise false.

7 years ago

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Find the maxmum value of N*N Matrix
Input x=[1 2 3; 4 5 6; 7 8 9] output: y=9

7 years ago

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Geometric Series
Given x and n, give the sum of x ^ 1 to x ^ n. You should not have to use a loop for this.

7 years ago

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Duration of a trip in minutes
Input is a string which includes the duration of a trip. Convert the duration to minutes. For example if the duration of a t...

7 years ago

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number of groups
In a classroom, *n* students work on a special project and the other students work in groups of five. If there are 18 students i...

7 years ago

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Find the minimal value in N*N Matrix
Suppose that we have N by N matrix, we try to find the minimal value in that matrix. examples: Input A=[1 2 3 5 6;52 58 56 45...

7 years ago

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Find my secret function IV
We use the same secret function used on the past "Find my secret function ..." x=23 -------->> y=3 X=1000 ------->> 163

7 years ago

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Find my secret function I
If give my function a x value it will give me a y value, so find the secret of it: Examples: input x=[2 5 6 8 9] ---- >>> o...

7 years ago

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Find my secret function II
If give my function a x value it will give me a y value, so find the secret of it: Examples: input x=23 ---- >>> output y=1...

7 years ago

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Find my secret function III
only write a function gives you an outputs as expls: input: x=2 ------->>> Output: Y=1 input: x=100 ------->>> Output: Y=...

7 years ago