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In the following question, two statements are numbered as A and B. On solving these statements we get quantities A and B respectively. Solve for the both quantities and choose the correct option. Quantity A: Two powders P and Q are to be mixed in ratio 4 ∶ 7 to form a mixture. If 28 kg of powder P and 28 kg of powder Q is available, how much powder Q is more required to make the desired mixture? Quantity B: A mixture is formed by mixing 16 kg of powder X and 25 kg of powder Y. How much powder X is required to be mixed with 40 kg of powder Y to make a mixture of the same ratio?
The chemical which used in dry cleaning is/are
1. carbon tetrachloride, commercial dry cleaner powder
2. petrol, benzine
3. telcum powder, sulphur powder
4. French chalk, fuller Earth
Select the correct answer
Consider the following statements.
The purpose of adding sodium sulphate and sodium silicate to the detergent in a washing powder is
1. to keep to washing power dry.
2. tomaintain the alkalinity of the powder.
Which of these statements is/are correct?
108 kg of mixture C was prepared by mixing equal quantities of mixtures A and B, made up of chalk powder and brick powder, such that the ratio of chalk and brick powder in mixture C is 17 ∶ 10. If mixture A comprised of 22 kg chalk powder, how much brick powder was present in mixture B?
In a laboratory test run, the rate of drying was found to be 0.5 × 10-3 kg/m2.s, when the moisture content reduced from 0.4 to 0.1 on dry basis. The critical moisture content of the material is 0.08 on a dry basis. A tray dryer is used to dry 100 kg (dry basis) of the same material under identical conditions. The surface area of the material is 0.04 m2/kg of dry solid. The time required (in seconds) to reduce the moisture content of the solids from 0.3 to 0.2 (dry basis) is
Which of the following chemical is added in washing powder for keeping the dirt suspended in water?
The rate list of groceries in a shop are depicted as follows : Rice (1 KG) Rs. 70 Black gram (1 KG) Rs. 90 Wheat Flour (1 KG) Rs. 45 Coriander powder (250 g) Rs. 40 Chilli Powder (250 g) Rs. 60 Salt (1 Pkt Rs. 25 Biscuit (1 Pkt) Rs. 20 Ashish needs to buy 5 kg of rice, 5 kg of wheat flour, 250 g of coriander powder, 250 g of chilli powder, 2 kg of black gram and some packets of biscuit with remaining money. If he is having Rs. 1000, how many biscuit packets can be buy?
Kabir sold his old washing machine for Rs. 10500 which he bought 6 months before, on that washing machine he incurred a loss of 20%. To gain 20% profit at what price he needs to sell the washing machine.
Among the five objects, Gas stove, Washing machine, Refrigerator, Inverter and Microwave oven: the Washing machine is twice as heavy as the Inverter; the Gas stove is one and half time as heavy as the Microwave oven; the Washing machine and Microwave oven together weigh as much as the Gas stove and Inverter together; the Refrigerator and Inverter together are one and half times as heavy as the Gas stove. Which is the heaviest among the five objects?
Arun goes to electronic shop to buy a T.V and a washing machine. He bargains for a 20% discount on a washing machine and 10% discount on a T.V. However the shopkeeper by mistake, interchanged the discount percentage figure while making the bill and arun paid accordingly. When compared to what he should pay for his purchases, what percentage did arun pay less amount given that the washing machine cost 60% as much as the T.V.