Question

1. (a) (x-1) = 5 . find the value of (x - 1).
(b) If a man invests Rs 10000 for 3 years at certain rate of interest
compounded annually. At the end of one year , it amounts to Rs 11200,
Calculate :
(1) rate of interest per annum
(2) the interest accrued in second year
(3) the amount at end of third year
(c) a ladder of 15 m long reaches a window which is 9m above the ground
on the one side of street keeping its foot at same point the ladder is turned
to other side of the street to reach a window 12m high, find the width of
street ? ​

Answer 1

Answer:

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