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CBSE Class 10 Answered

Q 25 if the photo is not visible then i can't do anything as the site uploads only less than 1 MB.   
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Asked by sucharitasahoo1 | 27 Mar, 2018, 04:05: AM
answered-by-expert Expert Answer
begin mathsize 16px style As space minute space hand space is space straight t space minute space more space than space 2 space straight p. straight m. space minutes space hand space has completed space straight t space minute space after space 2 space straight p. straight m. To space show space 3 space straight p. straight m. space it space will space cover space 60 space minus space straight t space minute space more. rightwards double arrow 60 minus straight t equals straight t squared over 4 minus 3 rightwards double arrow straight t squared over 4 plus straight t minus 3 minus 60 equals 0 rightwards double arrow straight t squared over 4 plus straight t minus 63 equals 0 rightwards double arrow straight t squared plus 4 straight t minus 252 equals 0 rightwards double arrow straight t squared plus 18 straight t minus 14 straight t minus 252 equals 0 rightwards double arrow straight t open parentheses straight t plus 18 close parentheses minus 14 open parentheses straight t plus 18 close parentheses equals 0 rightwards double arrow open parentheses straight t plus 18 close parentheses open parentheses straight t minus 14 close parentheses equals 0 straight t equals 14 space minutes space as space straight t space can space not space be space negative. end style
Answered by Sneha shidid | 27 Mar, 2018, 10:09: AM

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CBSE 10 - Maths
solve it
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Asked by vishalgunjan13 | 09 May, 2024, 02:13: PM
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CBSE 10 - Maths
maths quadratic
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Asked by afiyamallick12 | 23 Feb, 2024, 11:32: PM
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CBSE 10 - Maths
If α and β are tge zeros of the polynomial x^2 - 6x + k and 3α + 2β=20 , then the value of k is
Asked by ruchipandey20071978 | 21 May, 2023, 10:00: PM
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CBSE 10 - Maths
What is a quadratic equation.
Asked by varma.renu9481 | 25 Jan, 2023, 04:11: PM
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CBSE 10 - Maths
hi
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Asked by chaudahryanshika | 03 Jan, 2023, 10:04: AM
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CBSE 10 - Maths
if alpha and bita are the zeroes of a quadratic polynomial X^2+X-2 then find the value of(1/alpha -1/bita)
Asked by devchauhan25007 | 17 Jul, 2022, 04:29: PM
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CBSE 10 - Maths
write (x-2)-x=3x(x-2) in the form of quadratic equation
Asked by sdiyashika | 12 Apr, 2022, 03:07: PM
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CBSE 10 - Maths
if X square + 2K x kx + 4 4 is equal to zero has a root x is equal to 2 find the value of k
Asked by hazelvermah | 19 Apr, 2021, 09:02: AM
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CBSE 10 - Maths
find the con
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Asked by mdkingofficial786 | 21 Dec, 2020, 04:37: PM
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CBSE 10 - Maths
please clear
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Asked by rajvarshneytushar | 24 Sep, 2020, 12:44: PM
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