Out of 1550 students in a school 40% are girls. Find the number of boys and girls in the school.
Out of 1550 students in a school 40% are girls. Find the number of boys and girls in the school.
An alloy consists of 35% zinc 45% nickel and the remaining 20% copper. find the mass of zinc nickel and copper in 1kg of alloy
An alloy consists of 35% zinc 45% nickel and the remaining 20% copper. find the mass of zinc nickel and copper in 1kg of alloy
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