Download App

Sequences and Series — MATHS STD 11 Science — Question

Rajasthan BoardEnglish MediumSTD 11 ScienceMATHSSequences and Series1 Mark
MCQ
If a, b, c, d are any four consecutive coefficients of any expanded binomial, then $\frac{\text{a}+\text{b}}{a},\frac{\text{b}+\text{c}}{b},\frac{\text{c }+\text{d}}{c}$ are in:
  • A
    AP
  • B
    GP
  • C
    HP
  • D
    None of these
✓

Answer

  1. HP

Need a full question paper?

Generate a complete, print-ready paper with questions like this in minutes — across 16+ boards, with answer keys.

Start Generating Free

Explore more

More "M.C.Q (1 Marks)" from Sequences and Series→Sequences and Series — all question types→MATHS STD 11 Science question papers→Rajasthan Board STD 11 Science question papers→Rajasthan Board question paper generator→

Similar questions

If point p lies in first octant, then the sign of x- coordinate will always be:
→
If $\cos(\text{A}-\text{B})=\frac35$ and $\tan\text{A}\tan\text{B}=2,$ then
→

Given 5 different green dyes, four different blue dyes and three different red dyes, the number of combinations of dyes which can be chosen taking at least one green and one blue dye is.

  1. 3600
  2. 3720
  3. 3800
  4. 3600

[Hint: Possible numbers of choosing or not choosing 5 green dyes, 4 blue dyes and 3 red dyes are 25 , 24 and 23 , respectively.]

→
 If $\text{x}+\text{iy}=\frac{3+5\text{i}}{7-6\text{i}},$ then $\text{y}=$

  1. $\frac{9}{85}$

  2. $\frac{-9}{85}$

  3. $\frac{53}{85}$

  4. none of these 

→
The value of $\lim _{x \rightarrow 0} \frac{e^x-e^{-x}}{x}$ is equal to :
→
If $\cot(\alpha+\beta)=0,$ then $\sin(\alpha+2\beta)$ is equal to:
  1. $\sin\alpha$
  2. $\cos2\beta$
  3. $\cos\alpha$
  4. $\sin2\alpha$
→
A die is rolled, then the probability that a number 1 or 6 may appear is
  1. $\frac{2}{3}$
  2. $\frac{5}{6}$
  3. $\frac{1}{3}$
  4. $\frac{1}{2}$
→
The image of point $(0,0,-4)$ in $x y$ plane is :
→

The area of the circle centred at (1, 2) and passing through (4, 6) is:

  1. $5\pi$

  2. $10\pi$

  3. $25\pi$

  4. none of these.

→
If $z=\frac{1}{(1-i)(2+3 i)}$, then $|z|=$
→