For the following questions answer them individually
If the circumference of a circle is decreased by 50% then the percentage of decrease in its area is:
A shopkeeper sold two articles for ₹ 9,879 each. On one, he gained 11% and on the other. he lost 11%.What is the overall percentage gain or loss?
A sum of ₹14000 is lent at compound interest (interest is compounded annually) for 3 years. If the rate of interest is 10%, then what will be the compound interest?
Read the data and answer the given questions
What average number of children per house?
A circle is inscribed in a triangle ABC. It touches sides AB, BC and AC at the points P, Q and respectively. If BP = 6.5 cm, CQ = 4.5 cm and AR = 5.5 cm, then the perimeter (in cm) of the triangle $$\triangle$$ABC is: