Elitmus Exam Numerical Ability Ratio and Proportion

the percentage of metals in a mine of lead ore is 60%.now the percentage of silver is 3/4% of metals and the rest is lead.if the mass of ore extracted from this mine is 8000kg the mass of lead will be how much?

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Elitmus Other Question

A man invested rs27000 in 25/2% stock at 108,then his yield percentage is? if the income tax is increased by 19%,the net income is reduced by 1%.the rate of income tax is how much?