If 333 + 555 = 999 And 123 + 456 = 488 And 505 + 213 = 809 Then 344 + 732 = ???

Q: There are 17 people in an office with 6 different phone lines. If all the lines begin to ring at…

A: Number of people in an office = 17 Number of different phone lines = 6

Q: Suppose that 54% of people own dogs. If you pick two people at random, what is the that they both…

A: Given: P(Dog) = 0.54 The probability that they both own a dog can be calculated as: P(Both own a…

Q: How many odd 4-digit numbers greater than 3000 can be formed from the digits 1, 5, 6, 7 and 8 if non…

A:

Q: A State's License plates consist of 4 letters followed by 5 digits. How many possible license plates…

A: Given,  License plate consist of 4 letters followed by 5 digits. Since repetition of the letters and…

Q: How many 4 digit numbers can be formed from the digits 0, 1, 2, 3, 4, 5, and 6 if each digit can be…

A: The given digits are 0, 1, 2, 3, 4, 5, 6 4-digit numbers are formed using these numbers.

Q: When dialing a friend's phone number, a person forgot the last four digits, and only remembers that…

A: The last four places can be taken by any number from 0 to 9. Now, two places have same number.

Q: Suppose that 43% of people own dogs. If you pick two people at random, what is the both own a dog?…

A: Given, Probabily of a person own a dog is 43 %

Q: How many four-digit even numbers can you form from the digits 1, 2, 3 and 4?

A: We have to find the number of four-digit even numbers formed from the digits 1, 2, 3 and 4. Then we…

Q: If 3 is added to a whole number w,the result exceeds 20???

A:

Q: How many ways are there to list the digits {1,2, 2, 3, 4, 5, 6} so that identical digits are not in…

A:

Q: How many three-letter "words" can be made from 10 letters "FGHIJKLMNO" if repetition of letters (a)…

A: Solution: 39. From the given information, the 10 letters are “FGHIJKLMNO”.

Q: How many ways to arrange 5 books on the shelf exist if two definite books are not placed together.

A:

Q: what is 20% of 5

A: Given number is 5. The Objective is to find the 20% of 5.

Q: If there are 3 representatives from Company A and 4 representatives from Company B meet. If they…

A: This is a application of Fundamental Principle of Counting .

Q: Suppose you have a number of n digits that can be 1, 2, 5, or 6. How many numbers contain one or…

A:

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

A:

Q: How many three-letter "words" can be made from 8 letters "FGHIJKLM" if repetition of letters (a) is…

A: Permutation: It defines the number of possible ways an object can be arranged or ordered. The…

Q: In a birthday party, 2/3 of the children were 8 years old, 2/3 of the remaining are 9 years old, and…

A:

Q: How many three-digit numbers can be formed from the digits 1, 2, 3, 5, and 6, if each digit can be…

A:

Q: How many different seven-digit telephone numbers can be formed if the first digit cannot be zero?

A:

Q: In how many different ways can the director of a research laboratory choose two chemists from among…

A: Solution: Given information: Chemists applicants = 11  Physicists applicants = 7   To choose 2…

Q: The number of 3-digits numbers that can be formed without repetition from the numbers 2.3.5.7 and 8…

A:

Q: If 10 people come from different places and shake hands in how many different way could this be done

A: The formula for the number of handshakes possible with n people is          handshakes = n*(n -…

Q: 2. If a license plate consist of 3 letters followed by 3 digits, how many license plates are…

A: Here the repetition of letters and numbers are allowed.

Q: how many odd 3 didgit numbers can be formed from 0,1,2,3,4,5,6 and if each digit can be used once

A: For three digit odd number, the last digit of the number must be odd. Thus, the last digit of the 3…

Q: In how many ways can the digits in the number 8,633,333 be​ arranged?

A: Given  Number 8,633,333.

Q: formed from the digits 0, 1, 2, 3, 4, 5, 6, 7, 8 and 9 if repeti

A:

Q: There are 15 persons in a party and if each 2 of them shakes hands with each other, how many ways…

A: Given data: 15 persons in a party Each 2 of them shakes hands with each other

Q: In how many ways can you write a 5 digit number such that all the digits are even or all the digits…

A:

Q: If n∈N and n<2000 , how many numbers n have the property that the sum of the digits of n and the sum…

A:

Q: How many license plate containing two letter followed by three digit can be formed 2 If the letters…

A: License plate made up of 5 alphanumeric in which first two position taken by letters then last three…

Q: Suppose a 4-digit number will be formed from numbers 0,1,2,3,4,5,6,7,8, where each digit can only be…

A: Given, 4 digited numbers are to be formed from 0,1,2,....,8 without repetition. These numbers must…

Q: How many different license plates are possible if 2 uppercase letters are followed by 4 digits and…

A: A number plate consist of 2 uppercase letters followed by 4 digits, in which first digit cannot be…

Q: How many four digits numbers can be formed from the digits 1 2 3 4 5 6 7 if repetition is not…

A: We have to make four digit numbers without repetition. Here we have 7 digits (1,2,3,4,5,6,7) and we…

Q: If 72 students which represent 2/3 of the class participated in the Alay Lakad, how many students…

A:

Q: If n EN and n < 2000, how many numbersn have the property that the sum of the digits of n and the…

A:

Q: What if the jelly bean machine gives 9 jelly beans to the first customer who put in a coin, 13 to…

A: If the initial term of an arithmetic progression is {\displaystyle a_{1}} and the common difference…

Q: How many three-letter "words" can be made from 10 letters "FGHIJKLMNO" if repetition of letters (a)…

A: Without Repetition : The number of ways to draw a 'r' units from 'N' population of units by using…

Q: How many even 4 digit numbers can be formed from the digits 1, 7, 2, 4, 6, 9, 3, and 0 if the…

A:

Q: What is the value of the whole number N, if: N ofof of of 100?

A:

Q: How many 7-digit numbers can be formed if repetitions are not allowed and the last number cannot be…

A: We have to find 7-digit numbers that can be formed if repetitions are not allowed and the last…

Q: How many different numbers which contain from four digits or fewer can be formed from the digits A,…

A: Digits can be taken with replacement   Given are 5 letters:   A,B,C,D,E AB&lt;4   and C,D,E &gt;=4…

Q: Suppose that 31% of McMaster undergraduate students are in the first year. President David Farrar…

A: It is given that p=0.31.

Q: 2) How many numbers are there between 6000 and 7000 which have exactly one of their digits as 7?

A: Since, we have to find numbers between 6000 and 7000 so the thousand's place must be occupied by 6.…

Q: If n EN and n < 2000, how many numbers n have the property that the sum of the digits of n and the…

A: Given: n∈ℕ And n&lt;2000

Q: The digits 5,6,7 annd 4 are to be arranged to form a 7 digit interger. How many different integers…

A: The choices for each digit is 5, 6, 7 and 4. So each digit has 4 choices.    There are total 7…

Q: How many 3-digit numbers with no repeated digits using 4, 5, 6, 7, 8 can be a. less than 520? b.…

A:

Q: How many 7-digit numbers can be made from the digits 1, 2, 3, 4, 5, 6, and 7 if repetition of…

A: Answer: 823543   7-digit numbers can be made from the digits 1,2,3,4,5,6, and 7 if repetition of…