Three letters, to each of which corresponds an envelope, are placed in the envelopes at random. ...

Channel:
PW Solutions
Subscribers:
447,000
Published on ● Video Link: https://www.youtube.com/watch?v=z_ICfLssC30


Duration: 5:08
10 views
0

Three letters, to each of which corresponds an envelope, are placed in the envelopes at random. The probability that all the letters are not placed in the right envelopes, is
(A) \( 1 / 6 \)
(B) \( 5 / 6 \)
(C) \( 1 / 3 \)
(D) \( 2 / 3 \)
📲PW App Link - https://bit.ly/YTAI_PWAP
🌐PW Website - https://www.pw.live



Other Videos By PW Solutions


2022-11-17Ascaris has no: (A) cephalisation (B) alimentary canal (C) receptors (D) larva
2022-11-17\( M_{p} \) denotes the mass of a proton and \( M_{n} \) that of a neutron. A given nucleus, of ...
2022-11-17B acteria are found to be primitive organisms because they (A) are small, microscopic which are ...
2022-11-17In Drosophila, the sex is determined by (A) the ratio of pairs of \( X \)-chromosomes to the pai...
2022-11-17कथन कुछ परिस्थितियों में सत्य हैं। कथन के सापेक्ष परिस्थिति का वर्णन कुछ शब्दों में करों। हाइड्र...
2022-11-17Integrate \[ \int \frac{e^{m \tan ^{-1} x}}{\left(1+x^{2}\right)^{2}} d x \]
2022-11-17Three rods of identical cross-sectional area and made from the same metal form the sides of an i...
2022-11-17Explain relation between electric field and potential difference.
2022-11-17Define mutualism by taking one example from plants only.
2022-11-17Find the lowest common multiple of \( 27 a^{3}, 81 b^{3}, 18 a^{2} b^{5} \)
2022-11-17Three letters, to each of which corresponds an envelope, are placed in the envelopes at random. ...
2022-11-17If the gravitational acceleration at the earth's surface is \( 9.8 \mathrm{~ms}^{-2} \). What is...
2022-11-17Which industry depends on the knowledge of wood anatomy?
2022-11-17Solve by resolution into factors: \[ x^{2}-a^{2}=0 \text {. } \]
2022-11-17The Z-scheme refers to (A) the type of photosynthesis used in plants found in area with minimal ...
2022-11-17Solve the equation
2022-11-17Which one is an important constituent of renin angiotensinogen-al dosterone system? (A) JGA cell...
2022-11-17The muscle which attach the cusps of the atrioventricular valves occur in (A) ventricles (B) aur...
2022-11-17All or N one law is associated with (A) skeletal muscle fibre (B) neuron (C) cardiac muscle fibr...
2022-11-17\( \lim _{x \rightarrow-7} \frac{[x]^{2}+15[x]+56}{\sin (x+7) \sin (x+8)}=( \) where [.] denotes...
2022-11-17\( 1-2 x+3 x^{2} \) take \( 7 x^{3}-4 x^{2}+3 x+1 \)