11th Class FA Mathematics Chapter 6 Online Test

Arithmetic series is only possible if:

• |d| = 1 A
• |d| < 1 B
• |d| > 1 C
• none D

• A.P A
• G.P B
• H.P C
• none D

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

• 50 A
• 250 B
• 100 C
• 500 D

Zero cannot be a term of:

• A.P and G.P A
• G.P and H.P B
• A.P and H.P C
• only H.P D

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

• A.P A
• G.P B
• H.P C
• none of these D

A clock strikes once when its hour hand is at one, twice when it is at two, and so on. How many times does the clock strike in ten hours ?

• 55 A
• 78 B
• 66 C
• 46 D

Which number cannot be a term of a geometric sequence ?

• 0 A
• 1 B
• -1 C
• r D

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

• 6 A
• -6 B
• 
  C
• none of the foregoing numbers D

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

• arithmetic sequence A
• geometricsequence B
• harmonicsequence C
• none of these D

Reciprocals of the terms of the geometric sequence form:

• A.P A
• G.P B
• H.P C
• none D

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

• 2n-1 A
• 2n+1 B
• 2n+3 C
• none D

The product of three G.Ms between 1 and 16 is:

• 32 A
• 64 B
• 128 C
• 16 D

In an A.P.a₃ = 12 and a₇ = 32 then d = :

• 5 A
• 3 B
• 7 C
• 9 D

Sum of all odd numbers between 100 and 200 is:

• 6200 A
• 6500 B
• 3750 C
• 7500 D

7th term of G.P 3, 6, 12 ..... is:

• 512 A
• 192 B
• 48 C
• 96 D

Sequences are also called:

• Series A
• Progressions B
• Means C
• Convergence D

Domain of finite sequence is:

• set of natural numbers A
• subset of N B
• R C
• none D

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

• 81 A
• 75 B
• 211 C
• none D

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

• series A
• sequence B
• means C
• convergent D

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

• A.P A
• G.P B
• H.P C
• none of these D