Related Questions

Rainbows are produced when sunlight :
A Incident on rain drops hanging in the atmosphere is dispersed after suffering refraction
B Incident on rain drops hanging in the atmosphere is dispersed after suffering refraction and internal reflection.
C Incident on raindrops hanging in the atmosphere is dispresed after suffering reflection.
D None of the given statements is correct.
Rainbows are often seen ______ .
A after a rainstorm
B after the sun sets at night
C when it snows
D before a rainstorm
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
Although it can be derived _______ oil, coal and tar, kerosene is usually produced _______ refining it from petroleum.
A from/by
B in/from
C at/on
D near/along
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%

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