Mathematics
Mr. Anil has a recurring deposit account. He deposits a certain amount of money per month for 2 years. If he received an interest whose value is the double of the deposit made per month, then find the rate of interest.
Related Questions
An ice cream cone has a diameter of 7 cm and its height is 9 cm. It is filled with a scoop of spherical shaped ice cream of radius 3.5 cm.
Find: (Give all answers correct to the nearest whole number)
(a) on melting, is the ice cream sufficient to fill the cone completely without any wastage?
(b) the volume of ice cream, if any, is in excess or less.
If a, b, c and d are in continued proportion, prove that ad(c2 + d2) = c3(b + d).
₹100 shares of a company giving 10% dividend are selling at ₹150. Mr. Saha invests ₹ 18,000 to buy these shares. He sells 80% of his shares after one year. Find :
(a) the number of shares he purchased.
(b) the number of shares he sold.
(c) his annual income from the remaining 20% shares he still holds.