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Can anyone please where INChO is held and how to prepare for it I have cleared NSEC Please Brilliantians give me some tips Especially those who have qualified for it

i think answer is given wrong please help me out

A cubical block of side \(2a\) when submerged till depth \(\dfrac a2\) in a liquid of density \(k\) is in ...

The molarity of a solution obtained by mixing \(750 \text{ mL} \) of \( 0.5\text{ M} \) hydrochloric acid with \( 250\text{ mL}\) of \(2 \text{ M}\) hydrochloric acid is ...

Let \(z_1,z_2\) be complex numbers such that \(Im(z_1z_2)=1\), the minimum value of \[|z_1|^2+|z_2|^2+Re(z_1z_2)\] is \(\omega\). Then calculate \(\lfloor 100\omega\rfloor\).

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A set of consecutive natural numbers from \(1\) to \( n\) are written and one number is removed from it. The Arithmetic Mean of the remaining numbers is found to be ...

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