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(v) The maturity amount (in Rs) of an investment of Rs 8000 after 3, 6, 9 and 12
years will be, respectively:

10000, 12500, 15625, 19531.25

(iv) The number of unit squares in squares with side 1, 2, 3, . . . units are, respectively
2
2
2
1 , 2 , 3 , . . .

(v) Shakila puts Rs 100 into her daughter’s money box when she was one year old and
increased the amount by Rs 50 every year. The amounts of money (in Rs) in the box on
the 1st, 2nd, 3rd, 4th, . . . birthday were 100, 150, 200, 250, . . ., respectively.

(vi) A pair of rabbits is too young to produce in their first month. In the second, and
every subsequent month, they produce a new pair. Each new pair of rabbits produce a
new pair in their second month and in every subsequent month). Assuming no rabbit
dies, the number of pairs of rabbits at the start of the 1st, 2nd, 3rd, . . 6th month,
respectively are :

1, 1, 2, 3, 5, 8

In the examples above, we observe some patterns. In some, we find that the
succeeding terms are obtained by adding a fixed number, in other by multiplying with a
fixed number; in another we find that they are squares of consecutive numbers, and so
on.

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