Description : The percentage of nitrogen is A. 21% B. 78% C. 12% D. 87%
Last Answer : B. 78%
Description : The percentage of oxygen in air is approximately – (1) 100% (2) 1% (3) 78% (4) 21%
Last Answer : (4) 21% Explanation: Composition of air Nitrogen : 78.08 percent Oxygen : 20.94 percent Argon : 0.93 percent Carbondioxdide : 0.03 percent Neon : 0.0018 percent Helium 0.0005 percent Ozone : 0.00006 percent Hydrogen : 0.00005 percent
Description : The percentage of oxygen in air is approximately (1) 100% (2) 1% (3) 78% (4) 21%
Last Answer : 21%
Description : The volume shrinkage of methyl metacrylate monomer when polymerized is:** A. 12% B. 15% C. 18% D. 21%
Last Answer : D. 21%
Description : 71 The volume percentage of nitrogen in air is _____. A. 60% B. 67% C. 74% D. 78%
Last Answer : ANSWER: D
Description : The volume percentage of nitrogen in air is _____. A. 60% B. 67% C. 74% D. 78%
Description : Highest percentage of air consists of A. Oxygen B. Carbon dioxide C. Nitrogen D. Argon
Last Answer : C. Nitrogen
Description : Volumetric composition of flue gas analysed with the Orsat apparatus is : CO2 = 12%, O2 = 8%, CO = nil, N2 = 80%. This flue gas composition indicates that (A) Pure oxygen has been used for combustion ... very high (C) Excess air has been used for combustion (D) Hydrogen is not present in the fuel
Last Answer : (C) Excess air has been used for combustion
Description : Concentration of nitrogen in soil air is (a) 70% (b) 74% (c) 78% (d) 82%
Last Answer : (c) 78%
Description : A man buys milk at Rs. 2.40 per litre. He adds one-third water to it and sells the mixture at Rs. 2.88 per litre. Find his profit percentage. (Assume water is free). a) 21% b) 30% c) 40% d) 50% e) 60%
Last Answer : Let say he purchases 3 litres of milk whose cost is Rs. 7.20 He adds 1 litre of water and the mixture of 4 litres is sold at Rs 2.88 × 4 = Rs11.52 Profit percentage = (11.52 – 7.20) × 100.0/7.20 = 4.32 × 100.0/7.2 = 60% Answer: e)
Description : Air contain 21% O2 and 79% N2 by volume. Calculate the composition in terms percentage by weight.
Last Answer : Basis: 100 kmole air Kmoles of O2 =21 Kmoles of N2 =79 Weight of O2 =21x32=672 kg Weight of N2 =79x28=2212 kg Total weight =2884 kg Weight% of O2 = (weight of O2/ total weight)x100 = (672/2884)x100 = 23.3% Weight% of N2 =(weight of N2/ total weight)x100 = (2212/2884)x100 = 76.7%
Description : What percentage of the earth's atmosphere does O2 comprise? w) 75% x) 50% y) 21% z) 32%
Last Answer : ANSWER: Y -- 21%
Description : Green House gas is A. Nitrogen B. Oxygen C. Methane D. Carbon dioxide
Last Answer : D. Carbon dioxide
Description : Which of the following is not an air pollutant ? A. Smoke B. Carbon Dioxide C. Nitrogen Gas D. Sulphur Dioxide
Last Answer : C. Nitrogen Gas
Description : If it were scientifically possible to determine that your unborn child had an 87% chance at becoming a psychopath, but you had the option of genetically correcting it, would you do it?
Last Answer : What are the list of things that could potentially go wrong with the experimental procedure? That would have a lot of weight in my decision.
Description : If you have an 87% what will a 0% do to it?
Last Answer : If you only have that 1 87 and a 0 just average them, if not we need to know your other scores or what % of your grade the 0 is
Description : Pearlite comprises of (A) 87% cementite & 13% Fe (B) 87% ferrite & 13% cementite (C) 93.33% ferrite & 6.67% C (D) 87% ferrite & 13% C
Last Answer : (B) 87% ferrite & 13% cementite
Description : The natural water content of the soil sample was found to be 40%, specific gravity is 2.7 and void ratio 1.2; then the degree of saturation of the soil will be (a) 100% (b) 69% (c) 87% (d) 90%
Last Answer : (d) 90%
Description : The sulphate of a metal M contains 9.87% of M. This sulphate is isomorphous with ZnSO4.7H2O. The atomic weight of M is [IIT 1991] (A) 40.3 (B) 36.3 (C) 24.3 (D) 11.3
Last Answer : (C) 24.3
Description : Percentage of Earth surface which is covered by oceans and seas is A. 50% B. 65% C. 85% D. 97%
Last Answer : D. 97%
Description : Percentage of surface of Earth which is covered by water is A. 70% B. 85% C. 90% D. 60%
Last Answer : A. 70%
Description : Profit-Volume ratio is also known as A. Contribution ratio B. Contribution/Sales ratio C. Marginal Income percentage D. All of the above
Last Answer : D. All of the above
Description : Liquidity ratios are expressed in A. Pure ratio form B. Percentage C. Rate or time D. None of the above
Last Answer : A. Pure ratio form
Description : Method of managing advertising budget at level company can have money for is classified as A. percentage of sales method B. affordable method C. competitive parity method D. objective and task method
Last Answer : B. affordable method
Description : Method of managing promotional budget to match outlays of competitors is called A. percentage of sales method B. affordable method C. competitive parity method D. objective and task method
Last Answer : C. competitive parity method
Description : Methods used to determine total budget for advertising its market offerings are A. affordable method B. competitive parity method C. percentage of sales method D. all of above
Last Answer : D. all of above
Description : Method of managing advertising budget at a certain percentage of sales price per unit or forecasted sales of products is classified as A. percentage of sales method B. affordable method C. competitive parity method D. objective and task method
Last Answer : A. percentage of sales method
Description : Method of managing promotion budget by defining objectives, determining tasks to achieve objectives and estimating costs for activities is called A. percentage of sales method B. affordable method C. competitive parity method D. objective and task method
Last Answer : D. objective and task method
Description : Arjun scored 230 runs which included 10 boundaries and 15 sixes. What percentage of his total score did he make by running between the wickets? a) 44.12% b) 45.35% c) 43.47% d) 42%
Last Answer : c) 43.47%
Description : The Minimum percentage of secondary steel in slabs for Fe- 415 grade steel should be __________ of Gross cross-section area [ A ] 0.12% [ B ] 0.15% [ C ] 0.20% [ D ] 0.25%
Last Answer : [ A ] 0.12%
Description : By selling a telephone for Rs. 2400, a shopkeeper make a profit of 25%. Then, his profit percentage, if he had sold it for Rs. 2016, is ? (a) 10% (b) 6.25% (c) 6.5% (d) 5% (e) 12%
Last Answer : (d) 5%
Description : An oil fired boiler is retrofitted to fire coconut shell chips. Boiler thermal efficiency drops from 82% to 70%. What will be the percentage change in energy consumption to generate the same output a) 12% increase b) 14.6% increase c) 17.1% decrease d) 17.1% increase
Last Answer : d) 17.1% increase
Description : Every year before the Diwali festival, the kumaran stores increases the price of the product by 48% and then introduce two successive discount of 12% and 13% respectively. What is percentage loss and percentage gain ?
Last Answer : Let CP = 100, 48 % increase =>SP = 148 12 % discount in SP => ((148 x 12)/100) = 17.76 So 1st SP = (148 – 17.76) = 130.24 13 % discount in 1st SP ((130.24x13)/100) = 16.93 2nd SP = 130.24-16.93= 113.31 So finally CP = 100, SP = 113.31 => gain = 13.31%
Description : In a certain office, the profit is 160% of the cost. If the cost increases by 12% but the selling price remains constant, approximately what is the percentage profit?
Last Answer : Let cost price = Rs.100 ; then profit = 160 Selling price = Rs.260 ; new cost price = 112% of Rs 100 New cost price = 122 ; new selling price = Rs 260 Profit = 260 – 112 = Rs.148 Required percentage = (148/112 *100)% = 132.14%
Description : If 78% of Palestine is Jordan and 22% of Palestine is Israel why do the Palestinians say Israel stole Palestine?
Last Answer : Good point. Actually blame the bloody Brits. Why don’t Palestinians?
Description : Average yearly load on the tractor should not exceed its rated load up to a) 70% b) 72% c) 75 % d) 78%
Last Answer : c) 75 %
Description : Desirable "Micum Index" values of metallurgical coke are (A) M40 > 78% and M10 < 10% (B) M40 > 4% and M10 < 80% (C) M40 > 10% and M10 < 78% (D) M40 > 98% and M10 < 2%
Last Answer : (A) M40 > 78% and M10 < 10%
Description : Almost what percent of the country’s net sown area is rainfed? a. 84% b. 56% c. 64% d. 78%
Last Answer : d. 78%