There are 3 copies each of 4 different books. The number of ways in which they can be arranged i...

Channel:
PW Solutions
Subscribers:
449,000
Published on ● Video Link: https://www.youtube.com/watch?v=ZQEmMNkEJKU


Duration: 4:31
35 views
0

There are 3 copies each of 4 different books. The number of ways in which they can be arranged in a shelf is
(A) \( \frac{12 !}{(3 ! 4} \)
(B) \( \frac{21 !}{(3 !)^{4} 4 !} \)
(C) \( \frac{12 !}{(4 !)^{3}} \)
(D) \( \frac{12 !}{(4 !)^{3} 3 !} \)
📲PW App Link - https://bit.ly/YTAI_PWAP
🌐PW Website - https://www.pw.live



Other Videos By PW Solutions


2022-11-17यदि एक टोरॉइड में बिस्मथ का क्रोड लगाया जाए तो इसके अंदर चुंबकीय क्षेत्र उस स्थिति की तुलना में ...
2022-11-17\( A B C D E \) is a pentagon, then \[ \overrightarrow{A B}+\overrightarrow{A E}+\overrightarrow...
2022-11-17संकुलों द्वारा प्रदर्शित समावयवता का प्रकार बतलाइए तथा इन समावयवों की संरचनाएं बनाइए। \( \left[\...
2022-11-17Which is true of mycoplasma? (A) They lack cell wall (B) They have the smallest cells (C) They c...
2022-11-17Write short notes Aristotle's lantem,
2022-11-17The centre of \( a \) square \( A B C D \) is at the origin and point \( A \) is represented byz...
2022-11-17The element having electronic configuration \[ [\mathrm{Rn}] 5 f^{14} 6 d^{2} 7 s^{2} \] belongs...
2022-11-17If \( \frac{a}{b}=\frac{7}{6} \), find the value of \( 3 a+5 b: 7 b-5 a \).
2022-11-17Given below are four statements (a-d) regarding human blood circulatory system (i) A rteries are...
2022-11-17वंशागत एवं उपार्जित लक्षणों में अन्तर बताइए। प्रत्येक का एक-एक उदाहरण लिखिए।
2022-11-17There are 3 copies each of 4 different books. The number of ways in which they can be arranged i...
2022-11-17Which of the given is/are amphoteric? (A) \( \mathrm{BeO} \) (B) \( \mathrm{Ag}_{2} \mathrm{O} \...
2022-11-17एक सीधी, क्षैतिज चालक छड़ जिसकी लंबाई \( 0.45 \mathrm{~m} \) एवं द्रव्यमान \( 60 \mathrm{~g} \) ...
2022-11-17How bony fish are different from cartilaginous fish ?
2022-11-17\( \int \frac{\cos 2 x-\cos 2 \theta}{\cos x-\cos \theta} d x \) is equal to (A) \( 2(\sin x+x \...
2022-11-17The alpha-decay of \( \mathrm{Po}^{210} \) nuclei (in the ground state) is accompanied by emissi...
2022-11-17Gastric juice contains (A) Pepsin, rennin, lipase (B) Pepsin, amylase, rennin (C) Pepsin, amylas...
2022-11-17कोण \( \theta \) वाले त्रिज्याखण्ड का क्षेत्रफल होगा (A) \( \frac{\theta}{270} \times \pi r^{3} ...
2022-11-17Calculate the values of the determinants: \[ \left|\begin{array}{lll} 13 & 3 & 23 \\ 30 & 7 & 53...
2022-11-17Evaluate : \[ \sum_{k=1}^{n}\left(2^{k}+3^{k}\right) \]
2022-11-17Solve the equations: \[ (x-3)(x-2)=2\left(x^{2}-4\right) \]