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A bond gets matured in 10 years . invested TK. 42,000 in this bond and received Tk. 105000 once the bond matured . If the bond was under simple interest . then what was the rate of interest per annum?
The most matured coal out of the following is
A matured mammalian cell without nucleus is
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Which of the following types of coal represents the first stage of formation of coal?
Which of the following varieties of coal accounts for the maximum coal output of the world?
In a thermal power plant, coal from the coal handling plant is moved to the boiler bunker through a
Kopper-Totzek coal gasifier (installed in a coal based nitrogeneous fertiliser plant) employs a/an __________ bed gasifier.
The Appalachian coal fields, one of the important coal fields in the world, are located in ________