Two batsman each on 94 runs. Seven runs needed to win in last 3 balls. Both make 100*. How?

A research team went to a village somewhere between the jungles of Africa. Luckily for them, they reached the day when quite an interesting custom was to be performed. The custom was performed once a year as they confirmed and was performed in order to collect the taxes from every male of the region.

The taxes were to be paid in the form of grains. Everyone must pay pounds of grain equaling his respective age. This means a 20-year-old will have to pay 20 pounds of grain and a 30-year-old will pay 30 pounds of grain and so on.

The chief who collects the tax has 7 weights and a large 2-pan scale to weigh. But there is another custom that the chief can weigh only three of the seven weights.

Can you find out the weights of the seven weights? Also, what is the maximum age of the man that can be weighed for the payment of taxes?

Can you name an animal whose killing cannot be performed without spilling your own blood?

Can you find the missing letter in the sequence?
S - T - I - L - ? - T - F - Y - C

If it took eight men ten hours to build a wall, how long would it take four men to build it?

Can you make a six-letter word using the letters N, A and B ?

It is deaf, Dumb and Blind!!!

Still, always tells the truth. What is it?

Find the next number in the series.
1 10 24 43 67 ?

You have $100 with you and you have to buy 100 balls with it. 100 is the exact figure and you can't go below or above the numbers and you have to use the entire $100. If there is no kind of tax applied how many of each of the following balls will you be able to buy:

Green Balls costing $6
Yellow Balls costing $3
Black Balls costing $0.10

Now, how many of each must you buy to fulfil the condition given?

I possess a head

I flaunt a tail

But I don't have mouth or legs

Can you find out who I am?