Which Indian cricketer is known as "Brown Bradman"?

Where is the mouth of the River Nile?

Which festival in honour of a Roman god was forbidden in Rome in 186 BC?

What birds are found in quantity on the red-tinged, shallow salty waters of Laguna Colorado, Bolivia?

Where are the palatine bones?

What ancient Sumerian city stood on the banks of the Euphrates River between 3200 and 2300 BC?

What is the direct source of power which drives a Newcomen pump?

What is Ruth Rendell, Baroness Rendell of Babergh, CBE, popularly known for?

Belgian landscape and garden designer Jacques Wirtz specialised in sculpture using what medium?

Among several athletes who have run barefoot in the history of Olympic Games, who ran barefoot in 1986 Summer Olympics?

A merchant has 100 kg. of sugar, part of which he sells at 7% profit and the rest at 17% profit. He gains 10% on the whole. How much is sold at 17%.

Assume that x part being sold at 7% profit then 1-x part being sold at 10% profit So x*7% + (1-x)*17% = 10% i.e. x = .7 1-x = .3

So out of a total of 100 kg, sugar sold at 17% gain = 30 kg

he sold 65kg at 17%

A merchant has 1000 kg of sugar, part of which he sells at 8% profit and the rest at 18% profit. He gains 14% on the whole. What is the quantity he sold at 18% profit ?

A woman bought a used car for $600 and sold it a friend for $800. She later bought it back for $1,000 and resold it for $1,200. Did she make any profit and if so, how much?

A merchant has 310 kg of sugar, part of which he sells at 2% loss and the rest at 8% profit. He gains 5% on the whole. What is the difference between the quantities of sugar sold at 8% profit and that sold at 2% loss?

A merchant has 999 kg of sugar, part of which he sells at 12% loss and the rest at 15% profit. He gains 7% on the whole. What is the difference between the quantities of sugar sold at 15% profit and that sold at 12% loss?