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CBSE Class 12-science Answered

how many five digit number divisible by three but doesnot contain three are there.
Asked by mauryakumardilip99 | 14 Mar, 2018, 12:44: PM
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begin mathsize 16px style C h e c k space y o u r space q u e s t i o n space w e space c a n space f i n d space f i v e space d i g i t space n u m b e r space d i v i s i b l e space b y space t h r e e f o r m i n g space a space f i v e space d i g i t space n u m b e r equals 9 cross times 10 cross times 10 cross times 10 cross times 10 equals 90000 o u t space o f space w h i c h space 30 comma 000 space w i l l space b e space o f space t y p e space 3 k 30 comma 000 space o f space t y p e space 3 k plus 1 30 comma 000 space o f space t y p e space 3 k plus 2 s o space 30 comma 000 space n u m b e r s space a r e space a v a i l a b l e space o f space t y p e space 3 k space d i v i s i b l e space b y space 3 end style
Answered by Arun | 14 Mar, 2018, 04:59: PM

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CBSE 12-science - Maths
Example 17 Solve the following system of equations by matrix method. 3x-2y+3z =8 2x+y-z=1 4x-3y+2z = 4
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CBSE 12-science - Maths
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CBSE 12-science - Maths
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CBSE 12-science - Maths
The probability that a pen manufactured by a company will be defective is 0.1. If 12 such pens are selected find the probability that i) exactly 2 will be detective ii) at least 2.will be defective iii)none will he defective
Asked by annapoornaa429 | 31 Mar, 2024, 08:23: PM
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CBSE 12-science - Maths
limit x tends to zero tanx-sinx/x^3
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CBSE 12-science - Maths
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CBSE 12-science - Maths
evaluate integration of log(sinx) dx
Asked by jprathamesh023 | 23 Mar, 2024, 04:01: PM
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CBSE 12-science - Maths
construct of 2 × 3 matrix a=[aij] whose elements are aij=ij
Asked by antra1799 | 18 Mar, 2024, 07:49: PM
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CBSE 12-science - Maths
bag 1 contains 8 red and 2 black balls. bag 2 contains 7 red and 5 Black balls. one of the bags is chosen at random and a ball is drawn from it, which is found to be black. find the probability that the ball is drawn from bag 1.
Asked by janusingh736 | 13 Mar, 2024, 04:19: PM
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