11th Class FSC Mathematics Chapter 6 Test Online

A geometric series is convergent only if:

• | r | > 1 A
• | r | < 1 B
• | r | = 1 C
• none of these D

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

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

Which number cannot be a term of a geometric sequence ?

• 0 A
• 1 B
• -1 C
• r D

If there are six G.Ms between 3 and 284 then G₄ =

• 24 A
• 48 B
• 12 C
• 6 D

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

• 50 A
• 250 B
• 100 C
• 500 D

A.M between x - 3 & x + 5 is __________:

• x + 1 A
• x - 1 B
• 2x + 2 C
• none D

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

• 81 A
• 75 B
• 211 C
• none D

An infinite sequence has no:

• nth term A
• last term B
• sum C
• none D

Sequences are also called:

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

What is called the difference between two consecutive terms of an arithmetic sequence ?

• common ratio A
• common difference B
• common element C
• none of these D

A.M between 1 + x - x² and 1 + x + x² is:

• 1 + x² A
• 1 + x B
• 2 C
• none D

Sum of all odd numbers between 100 and 200 is:

• 6200 A
• 6500 B
• 3750 C
• 7500 D

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

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

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

• 2n A
• n + 1 B
• 2n² C
• none of these D

Two A.Ms. between 3 and 9 are:

• 3. 6 A
• 5, 7 B
• 6, 12 C
• 3, 9 D

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

• 2n-1 A
• 2n+1 B
• 2n+3 C
• none 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

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

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

• 3 A
• 1 B
• 2 C
• 4 D