Question # 1

No. of arrangements of the letters of the word plane taking all letters at a time:

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5

1

none

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

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112

144

212

none

No. of selection of n different things out of n is:

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1

n

n!

none

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

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arithmetic sequence

geometricsequence

harmonicsequence

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

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

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none

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

n! stands for:

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product of first natural numbers

sum of n natural numbers

product of n integers

none of these

What is the general term of the sequence 2, 4, 6, 8, ........... ?

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2n

n + 1

2n²

none of these

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No. of signals made by 5 flags of different colors using 3 flags at a time is:

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60

15

10

None

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

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4 or -4

4i or -4i

2 or -2

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

If S is the H.M between 2 and b then b = :

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-10

10

7

5

Two A.Ms. between 3 and 9 are:

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3. 6

5, 7

6, 12

3, 9

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

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70

54

70

73

Probability of a certain event is:

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0

1

>1

∞

If a_n-3 = 2n - 5 then a_n =

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2n-1

2n+1

2n+3

none

A dice is rolled, the probability of getting a number which is even or greater than 4 is:

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none of these

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

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none of these

Reciprocals of the terms of the geometric sequence form:

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A.P

G.P

H.P

none

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Mathematics FA Part 1 Chapter 7 Online Test MCQs With Answers

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