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CBSE Class 10 Answered

 If 20 men take 30 days to complete a job, in how many days can 25 men complete the job ?
Asked by sarvesh.sawant909 | 23 May, 2020, 10:01: PM
answered-by-expert Expert Answer
20 space men space in space 30 space days space rightwards arrow space 1 space work 20 space men space in space 1 space day space rightwards arrow 1 over 30 th space part space of space work 1 space men space in space 1 space day space rightwards arrow fraction numerator 1 over denominator 30 cross times 20 end fraction th space part space of space work so comma 25 space men space in space 1 space day space rightwards arrow fraction numerator 25 over denominator 30 cross times 20 end fraction th space part space of space work so space total space days space equals 600 over 25 equals 25 space day
Answered by Arun | 24 May, 2020, 02:25: PM

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CBSE 10 - Maths
PQ is a chord of length 8 cm to a circle of radius 5 cm. The tangents P and Q intersect at a point T. Find the length of the tangent TP.
Asked by yalagondanikhil | 16 Apr, 2024, 12:25: PM
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CBSE 10 - Maths
if one of the zeroes of quadratic polynomial F(x) = 4x² - 8kx - 9 is equal in magnitude but opposite in sign, find K
Asked by rrajansinghakb199 | 08 Apr, 2024, 05:12: PM
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CBSE 10 - Maths
express 15.265 in p/q form?
Asked by nagalaxmidurgarao937 | 08 Apr, 2024, 01:42: PM
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CBSE 10 - Maths
the poles AB and CD of different heights are standing vertically on the ground level from a point P on the line joining the foots of the pole on the level of ground the angle of elevation to the top of the pole are founded to be complementary the of the CD and the distance PD 20√3m and 20m respectively if the BP is 10m then find the length of AB and the distance AC between the tpo of the poles
Asked by mraniruddha03 | 02 Apr, 2024, 06:44: PM
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CBSE 10 - Maths
from the pair of linear equations in the following problems and find their solution graphically 10 students of class 10 to part in a mathematic quiz if the number of girls is for more than the number of boys find the number of boys and girls who took part in the quiz
Asked by muttenenimalleswarrao | 29 Mar, 2024, 08:32: PM
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CBSE 10 - Maths
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Asked by sonawnerohan01 | 23 Mar, 2024, 12:25: PM
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CBSE 10 - Maths
The distance of the point (5,-2) from x-axis will be :-
Asked by pathakvaishnavi9139 | 23 Mar, 2024, 10:45: AM
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CBSE 10 - Maths
income of families locality are given. find the mode of the data (income in rupees)=1-200,201-400,401-600,601-800,801-1000 and number of families are 7,10,16,12,3
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Asked by mustafahssn786 | 23 Mar, 2024, 06:25: AM
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CBSE 10 - Maths
5 tan^2A - 5 sec^2A
Asked by choudharyniki001 | 22 Mar, 2024, 08:49: AM
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CBSE 10 - Maths
A blacksmith has a rectangular sheet of iron. He has to make a cylindrical vessel both circular ends are closed. When he minimizes the wastage of the sheet of iron, then what is the ratio of the wastage to the utilised area of sheet?
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Asked by jagdishdabang79 | 18 Mar, 2024, 08:40: PM
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