Related Questions

An insulating refractory brick should have high porosity and low thermal conductivity. Which of the following is not used for inducing porosity in the insulating refractory bricks during its manufacture?
A Cork
B Saw dust
C Sand
D Chemically prepared foam
Dry mix hydraulic compositions of refractory aggregates with suitable bonding materials are called refractory
A Mortars
B Cements
C Castables
D None of these
If a refractory contains high content of silicon, it means refractory is
A Acidic
B Basic
C Neutral
D Brittle
Polar organic compounds are normally used as separating agents for the azeotropic and extractive distillation. Which of the following is the most important factor to be considered for the choice of the separating agent for extractive distillation?
A Cost
B Availability
C Toxicity
D Selectivity
For separating small pieces of metal from engine oil of a car, the best separating technique is the
A Chromatography
B Evaporation
C Filtration
D Fractional distillation
A ladder is resting against a vertical wall and its bottom is 2.5 m away from the wall. If it slips 0.8 m down the wall, then its bottom will move away from the wall by 1.4 m. What is the length of the ladder?
A 6.2 m
B 6.5 m
C 6.8 m
D \7.5 m
A group of 20 friends formed and investment club, with each member contributing an equal amount to the general fund. The club then invested the entire fund, which amounted to t taka, in stock X. The value of the stock subsequently increased 40 percent, at that point the stock was sold and the proceeds divided evenly among the members. In terms of t, how much money did each member of the club receive from the sale?
A 800t
B t2
C 7t5
D 7t100
Mr. Tanvir purchased stock for Tk. 1,500 and sold 2/3 of it after its value doubled. He sold the remaining stock at 5 times its purchase price. What was his total profit on the stock?
A Tk. 2000
B Tk. 2500
C Tk. 3000
D Tk. 4500
of the 300 economists: 75% invested in stock market, 40% invested in bond market and 15% invested neither stock nor bond. How many of them invested only " in stock market?
A 162
B 108
C 216
D 270
You are considering investing in a firm and wish to place a value on the common stock. The dividend on the firm's stock has not changed in the last five years. In absence of any information suggesting future changes in the dividend rate, the most appropriate stock valuation model be the -----model.
A zero growth
B constant growth
C non-constant groth
D growing perpetuity

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