Question

4. The difference between the compound interest and the simple interest on a sum of money for 15 years at 2% per annum is 150. Calculate the amount.​

Answer 1

Read the given statements and select the correct option.

(i) Obesity and excessive fat intake increases the likelihood of being an overweight adult; this

can put the individual at risk for cardiovascular diseases and other health problems.

(ii) A diet, heavily dependent on fast food, results in decreased energy, excess fat and a

deficiency of calcium, riboflavin, vitamin A , folic acid and fibre.

a) Both (i) and (ii) are true

b) (i) is true and (ii) is false

c) (i) is false and (ii) is true

d) Both (i) and (ii) are falseSix bananas to be crushed into a pulp. Half a litre of milk to be boiled. Banana pulp and sugar to be added to the mixture. It should be stirred for two minutes and then removed from the heat

Answer 2

Step-by-step explanation:

Let the amount be x,

then

simple interest for 1.5 years

=

100

PRT

=

100

x×12×1.5

=

100

18x

---(1)

compound interest for 1 year

CI=x(1+r)=x(1+0.12)=1.12x

for neat 6 months

CI= 1.12x(1+0.06)=1.872x

net compound interest

CI=1.872x-x=0.1872x

now given CI-SI=150

0.1872x - 0.18x =150

0.0072x=150

x=

0.0072

150

=20,833.33 RS.

∴ The total amount is 20,833.33 RS.