Question # 1

(51)⁴is equal to

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7065201

8065201

6765201

6565201

The number of terms in the expansion of (a + b)⁹is

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10

11

9

12

The greatest integer which divides the number 101¹⁰⁰- 1 is

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100

1000

10000

100000

If n is any positive integer ,t hen 2+4+6+......+2 n=

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2ⁿ-1

2ⁿ+1

n²+1

n(n+1)

If the exponent in the binomial expansion is 6, then the middle term is

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2nd term

3rd term

4th term

5th term

The sum of coefficients in the binomial expansion equals to

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2

2ⁿ⁺¹

2^n-1

2ⁿ

There is no integer n for which 3ⁿis

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Odd

even

Natural

Prime

The sum of first n even number is

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n2

n(n+1)

n+1

n+2

The middle term of (x-y)⁸is

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25 x⁴y⁴

70 x⁴y⁴

120 x⁴y⁴

97x⁴y⁴

The expansion of (1 + 2x)^-2is valed if

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| x | < 1/2

| x | < 1

| x | < 2

| x | < 3

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ⁿC_r

ⁿ⁺¹C_r+1

ⁿC_r+1

None

(0.90)^1/2is equal to

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0.99

0.90

0.80

0.88

If n is odd then the middle terms in the expansion of (a + x)ⁿare

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When we expand (a + 2b)⁵then

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a⁵+ 10a⁴b + 40a³b²+ 80a²b³+ 80ab⁴+ 32b⁵

a⁵+ a⁴b + a³b²+ a²b³+ ab⁴+ b⁵

5a⁵+ 4a⁴b + 3a³b²+ 2a²b³+ 1 ab⁴+ b⁵

None

(2.02)4 s equal to

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16

16.6496

17

18

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¹⁰C₆

¹⁰C₅

¹⁰C₄

None

The coefficient of the second term of (a+b)⁴ is

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1

9

3

5

The number of terms in the expansion of (a + x)¹²is

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13

12

11

10

For every positive integers n 1+5+9+....+ (4n - 3) is

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n(2n - 1)

(2n - 1)

n - 1

n

If n is any positive integer then n²> n + 3 for

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The first three terms in the expansion of (1 + x)^-2are ______

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1 - 2x + 3x²

1 - 2x - 3x²

1 + 2x + 3x²

-2 -2x + 3x²

If the sum of co-efficient in the expansion of (a+b)ⁿis 4096, then the greatest co-efficient in the expansion is

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1594

792

924

2924

If n is any positive integer then 4ⁿ>3ⁿ+ 4 is true for all

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If n is any positive integer then n! > 2^n-1for

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The 5th term of (3a-2b)^-1is

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77b²/a⁵

16b²/243 a⁵

17b⁴/43a⁵

25b³/43a⁵

The middle term of [1/x-x]¹⁰is

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-152

-252

371

-421

If nis positive integers, then 2ⁿ>2n+1, only when

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n≤ 3

n≥ 3

n≤ 2

n≤ 1

The expansion (1 + x)^-3holds when

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|x| > 1

|x| < 1

x < 1

x > 1

Number of terms in the expansion of (a+x)ⁿis

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n - 1

n + 1

n + 2

n + 3

If n is any positive integer then 2ⁿ> 2(n + 1) is true for all

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