Question # 1

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

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1

none of these

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

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2

-2

-3

none of these

A function whose domain is the set of natural numbers is called the:

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series

sequence

means

convergent

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

Sum of all odd numbers between 100 and 200 is:

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6200

6500

3750

7500

Which number cannot be a term of a geometric sequence ?

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0

1

-1

r

If a_n = (n + 1) a_n-1, a₁ = 1, second term of the sequence is:

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3

1

2

4

Numbers are formed by using all the digits 1, 2, 3, 4, 5, 6 on digit being repeated, then the numbers which are divisible by 5 are:

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110

120

122

124

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

n! stands for:

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product of first natural numbers

sum of n natural numbers

product of n integers

none of these

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In how many ways two places can be filled by n objects:

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n(n-1)

2!

n(n+1)

None

Number of digits multiple of 5 made from the digits 2, 3, 5, 7, 9 is:

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5

24

20

none

For a positive integer n:

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(n+1)! = (n+1)n!

(n+1)! = (n+1)(n-1)!

n! = n(n+1)!

none of these

What is called the arrangement of numbers formed according to some definite rule ?

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arithmetic sequence

geometricsequence

sequence

none of these

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

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A.P

G.P

H.P

none of these

In a simultaneous throw of two dice, The probability of getting sum 3 or 11 is:

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none

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

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5, 6

1

No. of triangles can be formed by joining the vertices of the polygon having 5 sides ?

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10

15

20

none of these

Sequences are also called:

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Series

Progressions

Means

Convergence

Sum of all positive integral multiples of 3 less than 100 is:

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950

760

1230

875

In a simultaneous throw of two dice, The probability of getting a total of 7 is:

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What is the common difference of the sequence 11, 5, -1, ......... ?

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6

-6

none of the foregoing numbers

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