## 19. The total number of ways in which six ‘+’ and four ‘- signs can be arranged in a line such that no two ‘-‘ signs occur togeth

Question

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## Answers ( )

Answer:Among 6

′

+

′

there are 7 intervals

X+X+X+X+X+X+X

Number of ways of filling 7 gaps by 4

′

−

′

=

7

C

4

=35

∴ Required ways =35