1
BITSAT 2024
MCQ (Single Correct Answer)
+3
-1
If $ \sum\limits_{k=1}^{n} k(k+1)(k-1)=p n^{4}+q n^{3}+t n^{2}+s n $, where $ p, q, t $ and $ s $ are constants, then the value of $ s $ is equal to
A
$ -\frac{1}{4} $
B
$ -\frac{1}{2} $
C
$ \frac{1}{2} $
D
$ \frac{1}{4} $
2
BITSAT 2024
MCQ (Single Correct Answer)
+3
-1
In a binomial distribution, the mean is 4 and variance is 3 . Then, its mode is
A
5
B
6
C
4
D
None of these
3
BITSAT 2024
MCQ (Single Correct Answer)
+3
-1
The maximum area of rectangle inscribed in a circle of diameter $ R $ is
A
$ R^{2} $
B
$ \frac{R^{2}}{2} $
C
$ \frac{R^{2}}{4} $
D
$ \frac{R^{2}}{8} $
4
BITSAT 2024
MCQ (Single Correct Answer)
+3
-1
In a statistical investigation of 1003 families of Calcutta, it was found that 63 families has neither a radio nor a TV, 794 families has a radio and 187 has TV. The number of families in that group having both a radio and a TV is
A
36
B
41
C
32
D
None of these
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