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The correct sequence which shows decreasing order of the ionic radii of the elements is

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The equilibrium constant \displaystyle{K}_{{{P}_{}}}

The value of $cot(cosec_{−1}35 +3tan_{−1}2 )$is:

If the mean deviation of the numbers $1,1+d,1+2d,…,1+100d$ from their mean is 255, thenthe d is equal to

A value of C for which the conclusion of Mean Value Theorem holds for the function $f(x)=(g)_{e}x$on the interval [1, 3] is

Let $I=∫_{0}x sin dxandJ=∫_{0}x cosx dx$Then which one of the following is true?

Standard entropy of $X_{2},Y_{2}andXY_{3}$ are 60, 40 and 50 $JK_{−1}mol_{−1}$, respectively. For the reaction,

Let A be a square matrix all of whose entries are integers. Then which one of the following is true?

If $sin_{−1}(5x )+cosec_{−1}(45 )=2π $ then the value of x is: