The graph below shows the average daily circulation (in thousands) of two newspapers (A and B) for ten years. Find the combined average daily circulation of two newspapers in the year when combined average daily circulation was maximum.
A shopkeeper mixes two variants of rices in ratio 5:1. The first variety costs 54 per kg, while other costs 66 per kg. If the mixed rice is sold at price of 64.4 per kg. Find the profit/loss incurred by shopkeeper.
Two candles have different lengths and thickness. The shorter lasts 8 hours and the longer 6 hours when both are lit simultaneously. If after 4 hours of their being lit together at the same time, both have the same length, then find the ratio of their original lengths.