In a furniture shop, 24 tables were bought at the rate of ₹ 450 per
table. The shopkeeper sold 16 of them at the rate of ₹ 600 per table
and the remaining at the rate of 400 per table. Find her gain or loss
percent.
800 kg of mortar consists of 55% sand, 33% cement and rest lime.
What is the mass of lime in mortar?
The strength of a school is 2000. If 40 % of the students are girls
then how many boys are there in the school?
45% of the population of a town are men and 40% are women. What
is the percentage of children?
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