Question # 1

A sequence of numbers whose reciprocal form an arithmetic sequence, is known as:

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arithmetic sequence

geometricsequence

harmonicsequence

none of these

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

Two A.Ms. between 3 and 9 are:

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3. 6

5, 7

6, 12

3, 9

Which number cannot be a term of a geometric sequence ?

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0

1

-1

r

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

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6

-6

none of the foregoing numbers

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

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

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

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A.P

G.P

H.P

none of these

How many different number can be formed by taking 4 out of the six digits 1, 2, 3, 4, 5, 6:

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360

120

366

none of these

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4

6

8

10

The reciprocal of the terms of A.P. form:

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A.P

G.P

H.P

none of these

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

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

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81

75

211

none

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

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950

760

1230

875

If S is a sample space and event E is S then P(E) is:

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0

1

>1

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

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

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3

1

2

4

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

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5

15

51

10

A dice is thrown. The probability to get an odd number is;

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1

none of these

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Mathematics FA Part 1 Chapter 7 Online Test MCQs With Answers

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