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A shopkeeper earns a profit of 15% if he mixes 85 kg of A-type cement with 35 kg of B-type cement and sells the mixture at Rs. 46 per kg. He can increase his profit to 25% if he mixes 65 kg of A-type cement with 35 kg of B-type cement and sells the mixture at Rs. 46.5 per kg. At what price should he sell a mixture of 30 kg A-type cement and 50 kg B-type cement to earn a profit of 75%?
A construction company purchases cement at the rate of Rs. 1,000 per tonne and stores it at Rs. 100 per tonne. It is perceived that in the coming month, the price of cement will rise by Rs. 2,000 per tonne. The company already has 500 tonnes of cement. If the cement usage during a month is 1,000 tonnes, how much cement should the company purchase this month to minimize its expense in the next one?
Consider the following statements: 1) Hydrophobic cement grains possess the low wetting ability 2) Rapid-hardening cement is useful in concreting under static, or running water 3) Quick-setting cement helps the concrete to attain high strength in the initial period 4) White cement is just a variety of ordinary cement-free of coloring oxides. Which of the above statements are correct?
Assertion A : For identical strength, a composite cement-lime mortar is preferred over cement mortar.Reason R : Composite cement-lime mortar has higher drying shrinkage than cement mortar.Select your answer based on the codes given below. Codes:
The chemical ingredient of cement which provides quick setting property to the cement is
Which of the following is the main ingredient of cement?
Which one among the following is the chemical formula of gypsum, which is an ingredient of cement?
What is the main ingredient of cement?
What is the main ingredient in ordinary portland cement?
Dalmia Cement (Bharat) has appointed former Lafarge India CEO Ujjwal Batria as the chief operating officer who will be in charge of leading the company's operations of sales & marketing, logistics, manufacturing, logistics, manufacturing and technical services departments. Batria, in his 33 years of building experience has also been associated with Tata Steel (Cement division) , Century Textiles & Industries (Cement division) and Eicher Motors and has held key leadership positions.  Which of the following can be logically inferred from the statement above?