Question # 1

n! stands for:

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product of first natural numbers

sum of n natural numbers

product of n integers

none of these

No. of diagonals can be formed by joining the vertices of the polygon having 12 sides ?

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70

54

70

73

The sum of 10 A.Ms between 3 and 47 is:

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50

250

100

500

Zero cannot be a term of:

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A.P and G.P

G.P and H.P

A.P and H.P

only H.P

No. of arrangements of the letters of the word PAKISTAN can be made, taken all together ?

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21160

20160

20170

20016

The factorial of positive integer is:

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rational no.

positive integer

real no.

none

The number of diagonals of a polygon with n sides is:

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none of these

The next term of the sequence 1, 6, 20, 56, ........ is:

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112

144

212

none

What is the next term in the sequence 10, 7, 4, 1...........?

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2

-2

-3

none of these

G.M between -2i and 8i is:

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4 or -4

4i or -4i

2 or -2

none

The probability that a number selected from the numbers 1, 2, 3, 4, 5, ......, 16 is a prime number is:

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The series 3 + 33 + 333 + ...... is:

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A.P

G.P

H.P

none of these

Sequences are also called:

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Series

Progressions

Means

Convergence

No. of triangles can be formed by joining the vertices of the polygon having 12 sides ?

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202

220

110

none of these

A die is rolled. The probability that the dots on the top are greater than 4 is:

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5, 6

1

A dice is thrown. The probability to get an even number is:

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1

none of these

Sum of integral multiples of there between 4 and 22 is:

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81

75

211

none

Tickets numbered 1 to 20 are mixed up and then a ticket is drawn at random. What is the probability that the ticket drawn bears a number which is a multiple of 3 ?

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none of these

Probability of a certain event is:

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0

1

>1

∞

No. of arrangements of the letters of the word PAKPATTAN can be made, taken all together ?

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15130

15120

1512

none of these

No. of arrangements can be made of 4 letters a, b, c, d taken 2 at a time ?

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8

12

10

14

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