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Humus and the smallest particles of rock from the upper layer of soil called topsoil or A-horizon. · It is the layer containing the most nutrients for plants. · The roots of most plants are confined to this layer. · Humus makes this layer porous and fertile.
In what ratio coffee at 265 Rs/kg should be mixed with the coffee at 305 Rs/kg so that after mixture its rate become 280 Rs/kg if the quantity of 1st ty...
A rectangle with a length of 16 cm and breadth of 8 cm is rolled through its length to form a hollow cylinder. What will be the volume (in cm³) of the ...
How much groundnut powder at Rs. 90 a kg. should be added to 56 kg. of cashew powder at Rs.310 a kg. so that by selling the mixture for Rs. 280 a kg...
In a 280-litre mixture (milk + water), the ratio of quantities of milk and water is 3:4, respectively. How much water should be added to this mixture su...
How many kilograms of wheat, priced at Rs 6.4/kg, should be mixed with 10 kg of gram flour priced at Rs 4.8/kg, such that by selling the mixture at a 20...
In what ratio rice at 58 Rs/kg should be mixed with the rice at 32 Rs/kg so that selling mixture at Rs 54 per kg gives the profit of 35% if the quantity...
A sum of ₹4,360 was to be divided among A, B, C, and D in the ratio 3:4:5:8, but it was divided in the ratio 1/3:1/4:1/5:1/8. Was divided by mistake: ...
In what ratio coffee at 285 Rs/kg should be mixed with the coffee at 320 Rs/kg so that after mixture its rate become 300 Rs/kg if the quantity of 1st ty...
Cost of two types of pulses is Rs.30 and Rs, 35 per kg, respectively. If both the pulses are mixed together in the ratio 2:3, then what should be the pr...