F
C
P
100

0In a barangay singing competition with 12 contestants, in how many ways can the organizer arrange the first three singers?

1320

100

How many 4-digit numbers can be
formed from the digits 0, 1, 2, 3, 4 and 5 if the numbers formed are less than 5000?

4x6x6x6 = 864

100

How many 4-digit numbers can be formed from the digits 2, 3, 4, 6 and 7 if all numbers formed are even

5x5x5x3 = 375

200

In how many ways can a chairman and a vice-chairman be chosen in a committee composed of 5 students?

5x4 = 20

200

In how many ways can a true-false test consisting of 9 questions be answered?

29 or 512

200

If a coin is tossed three times, how any ways can the outcome be one head and two tails?

3     S={(HTT),(THT),(TTH)}

300

A coin is tossed 4 times, how many possible outcomes will it have?

24 or 16

300

A computer password consists of 2 lower case letters followed by 3 digits. How passwords are possible if repetitions are not allowed?

26x25x10x9x8 = 468,000

300

How many 4-digit numbers can be
formed from the digits 0, 1, 2, 3, 4 and 5 without repetitions?

5X5X4X3 = 300

400

In an election for SSG president, there are 7 female candidates and 5 male candidates. How many ways can a student choose their SSG president?

7+5=12 ways

400

How many 2-digit numbers can you form using the digits 2,3,4,6,1,0 if the digits are not repeated?

25

400

How many 4-digit numbers can be
formed from the digits 0, 1, 2, 3, 4 and 5, if the numbers are odd?

5x6x6x3 = 540

500

In how many ways can a student answer a 5-item true or false exam?

25

500

How many 2-digit numbers can you form using the digits 2,3,4,6,1,0 if the number formed is odd?

5x2 = 10

500

A code consists of 3-digits, each of which may be a number from 0 to 9. How many codes can be formed if only the first and the last digits are the same?

10X9X1 = 90

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