BMSAT Kozhikode (QA) PYQs

An exporter estimates with certainty that a $26\%$ higher price for his product will decrease the volume of sales in a foreign market by $30\%$. After having to increase the price by $26\%$, the revenue obtained from sales in that market turned out to be $\text{INR } 44.1 \text{ Cr}$. What would the revenue have been if the exporter had been allowed to sell at the old price?

A country has 3 major economic sectors: agriculture, manufacturing and services - with their share of the country's Gross Domestic Product (GDP) being 40, 20 and 40 percent, respectively. Of these, services is growing at 10% per annum, whilst agriculture is growing at 4%. The GDP in aggregate is estimated to be growing at 6% yearly: what is the annual rate of growth of manufacturing in percent?

A foreign country reduces its import duty on an Indian exporter's product from 30% to 10%. The exporter estimates that the reduction in import duties - which he will pass on fully by reducing prices -- will increase the volume of sales by 50%. The revenue obtained in that market turned out to be Rs 165Cr. What would the revenue have been if the exporter continued selling at the old price?