List of top Questions asked in BITSAT

If the mean, mode and S.D. of a frequency distribution are 41.45 and 8 respectively, then its Pearson’s coefficient of skewness is

Find the equation of chord of the circle x²+y²=8x bisected at the point (4,3).

If the equations of the opposite sides of a parallelogram are x²-5x+6=0 and y²-6y+5=0, then equations of its diagonals are

The coefficient of x³² in the expansion of (x⁴-1x³)¹5 is

If arithmetic means are inserted between 1 and 31 so that the ratio of the 7th and (m-1)th means is 5:9, then find the value of m.

If the line 2x-1=0 is the directrix of the parabola y²-kx+6=0, then one of the values of k is

In a polygon no three diagonals are concurrent. If the total number of points of intersection of diagonals interior to the polygon be 70, then the number of diagonals of the polygon is

With 17 consonants and 5 vowels, the number of words of four letters that can be formed having two different vowels in the middle and one consonant, repeated or different at each end is

The reflection of the point (4,-13) in the line 5x+y+6=0 is

If 12²θ-31θ+32=0, then the value of θ is

The roots of the equation x²-2√(2)x+1=0 are

Let A=\x:x R, |x|<1 B=\x:x R, |x-1| 1 and A B=R-D, then the set D is

If 1-iα1+iα=A+iB, then A²+B² equals

\tan20^+\tan40^+√(3)\tan20^\tan40^ is equal to

Experiment to study kinetics of the dissociation of hydrogen peroxide must be performed by group of two or three so that

The secondary structure of a protein refers to

Formic acid and acetic acid can be distinguished by

When ethylamine reacts with sodium metal, the gas evolved is

When H₂S gas is passed through the HCl containing aqueous solution of CuCl₂, HgCl₂, BiCl₃ and CoCl₂, it does not precipitate out

Which one of the following statements is correct?

Three separate samples of a solution of a single salt gave these results. One formed a white precipitate with excess ammonia solution, one formed a white precipitate with dil. HCl solution and one formed a black precipitate with H₂S. The salt could be

In the manufacture of iron from haematite, limestone is added to act as

Which of the following will not form a yellow precipitate on heating with an alkaline solution of iodine?

Match List I (Reaction) with List II (Reagent) and select the correct answer. arrayl l List I & List II
I. Etard reaction & A. Alcoholic KOH
II. Hydroxylation & B. Anhydrous AlCl₃
III. Dehydrohalogenation & C. Chromyl chloride
IV. Friedel–Crafts reaction & D. Dilute alkaline KMnO₄ array

The correct order of reactivity of halogens with alkalis is