1.

Strong mortar is made from sand and cement in the ratio 3 : 1.a. How much cement is needed to mix with 90 kg of sand?b. How much sand is needed to mix with 40 kg of cement?no 25 nrn inllies 10are tranical and​

Answer»
  1. 30Kgs of cement is NEEDED to MIX with 90 kgs of sand
  2. 120Kgs of sand is needed to mix with 40Kgs of cement

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