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CBSE Class 12 Commerce Mathematics Free Doubts and Solutions

CBSE - XII Commerce - Mathematics

A letter is known to have either come from LONDON or CLIFTON. On the envelope just two consecutive letters ON are visible. What is the probability that the letter has come from (i)LONDON (ii)CLIFTON?

Asked by sriram6102 11th January 2019, 8:18 AM
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CBSE - XII Commerce - Mathematics

Find the total surface area of a cone whose (1) bottom face is a circle with radius 2.25 cm and (2) lateral face is a semi- circle with radius 4.5cm

Asked by sunilsaharan107 16th December 2018, 4:57 PM
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CBSE - XII Commerce - Mathematics

Last 5 years question papers with answers sheet

Asked by Newgarments.2015 15th December 2018, 8:03 PM
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CBSE - XII Commerce - Mathematics

Find the dimensions of the rectangle of area 96 cm square whose perimeter is the least 

Asked by saketbhupal 20th November 2018, 11:26 PM
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CBSE - XII Commerce - Mathematics

if s1, s2, s3........sm are the sum of n terms of m AP's whose first terms are 1, 2.3..........m and common differences are 1, 3,5..........(2m-1), then show that s1+s2+s3........sm= mn/2 (mn+1)

Asked by rushabhjain.avv 20th November 2018, 10:51 AM
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CBSE - XII Commerce - Mathematics

are geometric application questions based on cross and dot product there in 2018-19 portion?

Asked by lishahundia 18th November 2018, 9:08 AM
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CBSE - XII Commerce - Mathematics

For the March 2019 boards can u tell me  in which order  should I practise maths according to important topics  since only 4 months are left

Asked by lishahundia 14th November 2018, 2:18 PM
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CBSE - XII Commerce - Mathematics

Q 28

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Asked by kumarsaurav68 31st October 2018, 12:29 PM
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CBSE - XII Commerce - Mathematics

Shall I do all sums of Rd Sharma for boards?

Asked by lishahundia 30th October 2018, 6:38 PM
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CBSE - XII Commerce - Mathematics

Prove that determinant is negative if a,b,c are positive and unequal. |a b c b c a c a b|  

Asked by jkd345452 24th October 2018, 9:17 PM
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