Related Questions

Given that, 24 carat gold is pure gold, 18 carat gold is 3/4th of pure gold and 20 carat gold is 5/6th of pure gold, the ratio of the pure gold in 18 carat gold to the pure gold in 20 carat gold is -
A 5 : 8
B 10 : 9
C 8 : 5
D 9 : 10
In a rare coin collection, all coins are either pure gold or pure silver , and there is initially one gold coin for every three silver coins . With the addition of 10 more gold coins to the collection, the ratio of gold coins to silver coins is 1 to 2. Based on this information , how many total coins are there now in this collection (after the acquisition)?
A 40
B 50
C 70
D 90
Which one of the following minerals is found in Dighipara in Dinajpur district?
A Coal
B White clay
C Lime stone
D Hard neck
Which one of the following minerals is found in Monazite sand ?
A Potassium
B Uranium
C Thorium
D Sodium
Which one of the following minerals is not found in Uttar Pradesh?
A Limestone
B Mica
C Bauxite
D Gypsum
Which one of the following minerals is found at Gopalpur area of Netrokona district?
A Coal
B White clay
C Lime stone
D Hard rock
E None
which of the following minerals can be found at Barapukiria of Dinajpur district?
A Oil
B Natural gas
C Lime stone
D Coal
Which of the following minerals is found at Maddyapara in Dinajpur district?
A Coal
B White rock
C Lime rock
D Hard rock
Which of the following minerals is not found in the plateau regions?
A Coal
B Iron ore
C Mineral oil \
D Manganese \
Which minerals are found in Chhattisgarh?
A Iron-ore, limestone, dolomite
B Coal, bauxite, corundum
C Gaunet, guartz, marble, diamond
D All of the above

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