If the length of a rectangle is increased by 20% the width is decreased by 20%, the area is :

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decreased by 8%

decreased by 4%

remains the same

increased by 20%

increased by 10%

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Information : 10 persons work 8 hours a day and compete a job in 3 days. How many persons can do the job in 2 days, if each of them work 6 hours a day.

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১৬

৩০

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Information : 10 persons work 8 hours a day and compete a job in 3 days. In how many days can 1 (One) person do the job if he works 8 hours a day?

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২৮

৩০

৩৫

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Information : 10 persons work 8 hours a day and compete a job in 3 days. In how many days can 8 persons do the job if of them work 6 hours a day?

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৪

৮

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If SinA + $S i n^{2} A = 1, t h e n t h e v a l u e o f t h e e x p r e s s i o n \cos^{2} A + \cos^{4} A i s_$

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1/2

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A median of a traingle divides it into two __

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congruent triangles

triangles of equal area

isosceles triangles

right triangles

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If the length of a rectangle is increased by 20% the width is decreased by 20%, the area is :

Related Questions

Information : 10 persons work 8 hours a day and compete a job in 3 days. How many persons can do the job in 2 days, if each of them work 6 hours a day.

Information : 10 persons work 8 hours a day and compete a job in 3 days. In how many days can 1 (One) person do the job if he works 8 hours a day?

Information : 10 persons work 8 hours a day and compete a job in 3 days. In how many days can 8 persons do the job if of them work 6 hours a day?

If SinA + Sin2A=1, then the value of the expression cos2A +cos4A is _

A median of a traingle divides it into two __

If SinA + $S i n^{2} A = 1, t h e n t h e v a l u e o f t h e e x p r e s s i o n \cos^{2} A + \cos^{4} A i s_$