Recently Active Questions

i,j positive integers f(i,i+1)=1/3(for all i) f(i,j)=f(i,k)+f(k,j)-2f(i,k)(k,j) Find the value of f(1,100) ...

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C0/2+2C1/3+3C2/4+...+(n+1)Cn/(n+2) ...

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A plane glass slab is kept over various colored letters, the letter which appears least raised is ...

Find the sum of the series 1/(1*3)+1/(2*4)+1/(3*5)+1/(4*6)+.......+1/(8*10)= ...

We know that ΣnCr*r2= n*2n-1 + n*(n-1)*2n-2 (see "http://www.targetiit.com/discuss/topic/21790/solve-this-binomial-question/" for the proof) Further we can find ΣnCr*r3 = n*2n-1 + 3*n(n-1)*2n-2 + n(n-1)(n-2)*2n-3 However on ...

A uniform meter scale balances at the 40 cm mark when weights of 10 g and 20 g are suspended from the 10 cm and 20 cm marks. The weight of the metre scale is ...

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Order of opposite trend of the reactivity of MeCH2OH,Me2CHOH,Me3COH towards PCl5 will be? ...

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A covalent compound that in aqueous solution conducts electricity ...

A compound whose aqueous solution will have the highest pH is ...

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The chemical formula for Brown Ring test for nitrate ion is ...

Which of the following statements regarding the extraction of metals is incorrect? ...

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A salt reacting with dil. H2SO4 gives a reddish brown gas. The salt is ...

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Which of the following alternatives does not mention a condition required for electrolysis? ...