Let D be the set of tuples (w1, ..., w9), where wi ∈ {1, 2, 3} for 1 ≤ i ≤ 9 and wi + wi+1 is an even number for each i with 1 ≤ i ≤ 8. Then the number of elements in D is:

The arrival of which commission in India triggered widespread protests, including mass hartals across the country in 1928?

Which of the following leaders was instrumental in initiating and leading India’s struggle for independence?