xC7 −x C5 = 0, then x =: - Vidyadip

MCQ

^xC₇ −^x C₅ = 0, then x =:

A
7
B
5
C
12
D
10

✓

Answer

12

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 Permutation and Combinations→Permutation and Combinations — all question types→MATHS STD 11 Science question papers→Rajasthan Board STD 11 Science question papers→Rajasthan Board question paper generator→

Similar questions

The number of words that can be formed out of the letters of the word "ARTICLE" so that vowels occupy even places is:

Let x be the A.M. and y, z be two G.M.s between two positive numbers. Then, $\frac{\text{y}^3+\text{z}^3}{\text{xyz}}$ is equal to:

$\sum_{r=0}^n 4^r \cdot{ }^n C_r$ is equal to

The angle between the minute and hour hands of a clock at 8 : 30 is:

80°
75°
60°
105°

¹⁵C₃ + ¹⁵C₅ + .... + ¹⁵C₁₅ will be equal to:

If $\tan(\text{A}-\text{B})=1,\sec(\text{A+B})=\frac{2}{\sqrt{3}},$ then the smallest positive value of B is:

A pack of coffee powder contains a mixture of x gms of coffee and y gms of choco. The amount of coffee powder is greater than that of chocolate and each pack weights at least 10g. Which of the followinginequalities describe the given condition?

What is the value of the limit $\text{f}(\text{x}) = \frac{\text{sin}^2\text{x}+2\sqrt{\text{sinx}}}{\text{x}^2−4\text{x}}$ if x approaches 0?

$\frac{{{(-1+i\sqrt{3})}^{15}}}{{{(1-i)}^{20}}}+\frac{{{(-1-i\sqrt{3})}^{15}}}{{{(1+i)}^{20}}}$ is equal to [AMU 2000]

Points $\text{A}\big(3,2,4),\text{B}\Big(\frac{33}{5},\frac{28}{5},\frac{38}{5}\Big),\text{C}\big(9,8,10\big)$ are given The ratio in which B divides $\overline{\text{AC}}$ is: