First Year Mathematics Chapter 6 Online MCQ Test for 1st Year Mathematics Chapter 6 (Sequences and Series)

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

• 32 A
• 64 B
• 128 C
• 16 D

Reciprocals of the terms of the geometric sequence form:

• A.P A
• G.P B
• H.P C
• none D

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

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

Sequences are also called:

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

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

• 950 A
• 760 B
• 1230 C
• 875 D

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

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

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

• 4 or -4 A
• 4i or -4i B
• 2 or -2 C
• none D

• A.P A
• G.P B
• H.P C
• none 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

Arithmetic series is only possible if:

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

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

• 81 A
• 75 B
• 211 C
• none D

Domain of finite sequence is:

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

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

• 50 A
• 250 B
• 100 C
• 500 D

The series 2 + 2 + 2 ..... is:

• divergent A
• convergent B
• oscillatory C
• none of these D

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

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

What is the general term of the geometric sequence -1, 1, -1, 1 ....... ?

• (-1)ⁿ A
• (1)ⁿ B
• (-1)^n-1 C
• none of these D