Sanjana invested Rs. 15000 in SI at the rate of 2x% per annum for two years and the same amount is invested in CI at the same rate of interest if she received Rs.150 more interest than S.I, then find the rate of interest per annum?

If an amount doubles automatically in 8 years, then what is the interest rate?

Bananas are bought at 3 for Rs. 2 and sold at 5 for Rs. 4. Find the gain or loss percent.

A shopkeeper sold sarees at Rs. 266 each after giving 5 % discount on labelled price. Had he not given the discount, he would have earned a profit of 12 % on the cost price. What was the cost price of each saree? 

A sum of Rs. 110 is in the form of Rs. 2, Rs. 1 and 50 paise coins in the ratio of 1 : 2 : 3, respectively. How many 50 paise coins are there?

How much percent above the cost price should a shopkeeper mark his goods so as to earn a profit of 32% after allowing a discount of 12% on the marked price? 

The Median of an isosceles triangle ΔABC is AD and ∠A = 110 °, AB = AC, find the value of ∠ADB.

The following table shows the number of units of product produced and sold by a company over the course of six years.

In which year, the production of product units is about 31.4 percent less than the units sold in 2017?