INVENTION FOR FUTURE EDUCATION
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In a culture, the bacteria count is 1,00,000. The number is increased by 10% in 2 hours. In how many
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In ∆ABC, D, E and F are midpoints of BC, CA and AB respectively. Prove that AFBD~ADEF and ADEF~ΔΑΒC.
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In given figure AB parallel to PQ parallel to CD, AB=x units CD=y unit and PQ=z,prove that 1/x + 1/y
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A laboratory blood test is 99% effective in detecting a certain disease when it is in fact, present.
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Find the shortest distance between the lines r = ( 2i - j + 3k )+λ( i - 2j + 3k ) and r = (i + 4k)+μ
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If Cotθ + Cosθ = p and Cotθ - Cosθ = q then Prove that p square minus q square equal to 4 sq root pq
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If vector a and vector b are two unit vector and angle between them is θ then prove that 1/2 modules
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Find the distance of the point 2 , 4 , -1 from the line x+5 upon 1 equal y+3 upon 4 equal z-6 upon-9
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