1300 kg of mortar consists of 55% sand, 33% cement and rest lime. What is the mass of lime in mortar?
what is the page number of this question in composite maths of class 7
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Answer:
Mass of mortar =800kg
Mass of sand in mortar =55% of 800kg
=(10055×800)kg=440kg
Mass of cement in mortar =33% of 800kg
=(10033×800)kg=264kg
therefore, mass of lime mortar,
=[800−(400+264)]kg
=96kg
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