Related Questions

Enzymes (a protein) are catalysts found in organisms. Its efficiency of catalysing a reaction is due to its capacity to lower the activation energy of the reaction. The enzyme ptyalin used for food digestion is present in
A Blood
B Saliva
C Intestine
D Gland
In a new production process, the number of units produced during the first week was 450. If the efficiency gradually increase so that 10 additional units can be produced each week, how many will be produced in the 10th week?
A 490
B 700
C 540
D 640
The cost function of a product is 400 + 2x, where x is the number of units produced . How many units should be produced to make an average cost of TK. 2.5 per unit ?
A 200
B 800
C 400
D 720
If Salam makes a box every 5 minutes and Kalam takes 7 minutes to make a box, what will be the ratio of the number of boxes produced by Salam to the number of boxes produced by Kalam if they work 5 hours and 50 minutes?
A 5 to 6
B 5 to 7
C 6 to 5
D 7 to 5
If Salam makes a box every 5 minutes and Kalam takes 7 minutes to make a box, what will be the ratio of the number of boxes produced by Salam to the number of boxes produced by Kalam if they work for 5 hours and 50 minutes?
A 5 to 6
B 5 to 7
C 6 to 5
D 7 to 5
If Arif takes 5 minutes to make a box and Kalam takes 6 minutes to make the same box, what will be the ratio of the number of boxes produced by Airf to the number of boxes produced by Kalam if they work for 2 hours?
A 6 to 5
B 7 to 5
C 5 to 7
D 5 to 6
The quantity of goods produced in firm is given by the equation x2+5x=6, where x is number of units produced in thousand units. If you solve this equation, what is the rational level of production?
A 6,000
B -6,000
C 5,000
D 1,000
One-fifth of the batteries produced by an upstart factory are defective and one -quarter of all batteries produced are rejected by the quality control technician. If one-tenth of the non-defective batteries are rejected by mistake and if all the batteries not rejected are sold, then what percent of the batteries sold by the factory are defective?
A 4%
B 3%
C 6%
D 5%
Australia imports, no copper in Australia equals 85% of the amount of copper produced by the private industry's use of produced by the country's mines each year. If the information above is true.which of the following conclusions can most reliably be drawn?
A Australia imports copper ore from other countries.
B SOme copper in Australia is recycled.
C Asutralia 's industry wasters substantial amounts of copper.
D Each year, Austria produces more copper than the previous year.
The draught produced by steel chimney as compared to that produced by brick chimney for the same height is
A Less
B More
C Same
D May be more or less

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