11th Class Math MCQS Chapter 8

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11th Class Math MCQS


n2-n+41 represents a prime number for n ? M where:
n ? 20
n ? 40
n ? 10
n ? s

The binomial co-efficient from beginning and end of the expansion are
Not equal
None of these
Equal
Unique

For every positive integer n 1 + 3 + 5+….. + (2n – 1)=
n3
n
2n
n2

If an any positive integer then 4n > 3n + 4 is true for all
n < 2
n ? 2
n > 2
n ? 2

For all positive integral values of n 5n -1 is divisible by
5
Both a and b
4
2

For every positive integer n 1+5+9+……+(4n-3)=
2n(n – 1)
n(2n – 1)
n(2n + 1)
n(n – 1)

The middle term of (a +x)12 is:
1288a6x6
110880a6x6
11088a6x
1297x6

For all positive integral values of n, 8 x 10n – 2
Is divisible by 8
Is divisible by 6
Is divisible by 4
Is divisible by 10

The 6th-term of the expansion (x2-3/2x)10 is
-15309/8 x5
-15309/8 x4
15309/8 x5
15309/x4

For integral values of n > 2,show that the inequality 4n > 3n + 4 is
True
True for integral values of n > 4
False
True for integral values of n < 4

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