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There are three piles of identical red, ...

There are three piles of identical red, blue and green balls and each pile contains at least 10 balls. The number of ways of selecting 10 balls if twice as many red balls as green balls are to be selected, is

A

1

B

2

C

4

D

6

Text Solution

Verified by Experts

The correct Answer is:
C
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ARIHANT SSC-PERMUTATIONS & COMBINATIONS -EXERCISE (LEVEL-2)
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  2. The number of positive integral solutions of abc = 42 is:

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  3. There are three piles of identical red, blue and green balls and each ...

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  4. Between Shirdee and Khandala, there are 10 intermediate stations. The ...

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  5. In how many ways in which an examiner can assign 30 marks to 8 questio...

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  6. The exponent of 3 in 331! is :

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  7. The total number of six-digit natural numbers that can be made with...

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  8. The total number of seven digit numbers so that the sum of digits is e...

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  9. The number of ways in which 4 pictures can be hung from 6, picture nai...

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  10. The total number of ways of selecting 6 coins out of 10 one rupee coin...

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  11. A father with 8 children takes 3 at a time to the Zoological Gardens, ...

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  12. What would be the C.I. on an amount of rs. 4800 at the rate of 5% p.a....

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  13. The sides AB, BC, CA, of a triangle ABC have 3, 4 and 5 interior point...

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  14. The number of all the possible selections which a student can make for...

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  15. The number of ways in which a team of 11 players can be selected from ...

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  16. There are 10 lamps in a hall. Each one of them can be switched on i...

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  17. How many 10 digits numbers can be formed by using the digits 2 and 3?

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  18. If 35% of a number is 12 less than 50% of that number, then the number...

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  19. The sum of the divisors of 2^3 .3^4 .5^2 is:

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  20. The number of ways of selecting 10 balls from unlimited number of red,...

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