Question

two dice are thrown simultaneously find the probability of getting
1:a total of at least 9
2:a multiple of 4 as the sum
3:the sum as a odd number
4: a sum less than 9
5:an even number on first​

Answer 1

Answer:

A weight of 450 gram produces an extension of 3.5 cm in elastic string, find

(a). How much weight is required to produce an extension 1.75 CM.

(b). How much extension will be produced by 9 kg weight.