Question

5. Mrs Ghoss saves 300 per month and puts it
in a bank for recurring deposit account, which
pays an interest at the rate of 12% p.a. How
many instalments must she deposit to get a
total amount of nearly 23,490?​

Answer 1

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● Let the length of the shadow of the building = x.

■ In △ABC, AB || DE (both are standing vertically on the ground).

▪︎AB/DE = BC/EC

▪︎26/6 = x/6

▪︎x = 26 ft

☆ Length of shadow cast by the building is 26 ft