# Variations - math problems

#### Number of problems found: 121

- Variations 4/2

Determine the number of items when the count of variations of fourth class without repeating is 600 times larger than the count of variations of second class without repetition. - Variations

Determine the number of items when the count of variations of fourth class without repeating is 42 times larger than the count of variations of third class without repetition. - 2nd class variations

From how many elements you can create 2450 variations of the second class? - Variations 3rd class

From how many elements we can create 13,800 variations 3rd class without repeating? - VCP equation

Solve the following equation with variations, combinations and permutations: 4 V(2,x)-3 C(2,x+ 1) - x P(2) = 0 - Variation equation

Solve combinatorics equation: V(2, x+8)=72 . .. variations second class from x+8 items - Seven

Seven friends agree to send everyone a holiday card. How many postcards were sent? - Medals

In how many ways can be divided gold, silver, and bronze medal among 21 contestants? - Pins 2

how many different possible 4 digits pins can be found on the 10-digit keypad? - Task of the year

Determine the number of integers from 1 to 10^{6}with ending four digits 2015. - N-gon

How many diagonals has convex 11-gon? - C(6,3)

C(6,3) + 3 P(6,3) - Possible combinations - word

How many ways can the letters F, A, I, R be arranged? - How many 13

How many ways can X³ y⁴ z³ be written without an exponent? - Combinatorics

The city has 7 fountains. Works only 6. How many options are there that can squirt ? - 7 heroes

9 heroes galloping on 9 horses behind. How many ways can sort them behind? - Disco

On the disco goes 12 boys and 15 girls. In how many ways can we select four dancing couples? - Cars plates

How many different licence plates can country have, given that they use 3 letters followed by 3 digits? - Prize

How many ways can be rewarded 9 participants with the first, second, and third prizes in a sports competition? - Bits, bytes

Calculate how many different numbers can be encoded in 16-bit binary word?

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See also our variations calculator.