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The value of (5C0 + 5C1) + (5C1 + 5C2) + (5C2 + 5C3) + (5C3 + 5C4) + (5C4 + 5C5) is: (a) 2^6 – 2

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The value of (5C0 + 5C1) + (5C1 + 5C2) + (5C2 + 5C3) + (5C3 + 5C4) + (5C4 + 5C5) is: 

(a) 26 – 2 

(b) 25 – 1 

(c) 28 

(d) 27

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(a) 26 – 2

(5C0 + 5C1 + 5C2 + 5C3 + 5C4 + 5C5) + (5C1 + 5C2 + 5C3 + 5C4) 

= 25 + (5C0 + 5C1 + 5C2 + 5C3 + 5C4 + 5C5) – (5C0 + 5C5) 

= 25 + 25 – (1 + 1) (∵ Adding and subtracting of 5C0 and 5C5) 

= 2(25) – 2 (∵ 5C0 = 5C5 = 1) 

= 26 – 2

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