The number of all possible selections of one or more questions from...

Channel:
PW Solutions
Subscribers:
447,000
Published on ● Video Link: https://www.youtube.com/watch?v=Lk1FbPQq47g


Duration: 5:30
13 views
0

The number of all possible selections of one or more questions from 10 given questions, each equestion having an alternative is :
(A) \( 3^{10} \)
(B) \( 2^{10}-1 \)
(C) \( 3^{10}-1 \)
(D) \( 2^{10} \)
\( \mathrm{P} \)
W
πŸ“²PW App Link - https://bit.ly/YTAI_PWAP
🌐PW Website - https://www.pw.live



Other Videos By PW Solutions


2023-02-13\( \mathrm{MgO} \) is used for lining furnaces because : (a) of hig...
2023-02-13For a reaction, activation energy \( E_{a}=0 \) and the rate \( \ma...
2023-02-13Magnesium wire is heated in the atmosphere of \( \mathrm{CO}_{2} \)...
2023-02-13Two quadrilaterals of equal perimeters occupy equal areas. Is this statement always true? E
2023-02-13Calcium hydride on hydrolysis forms? (a) \( \mathrm{CaO}+\mathrm{H}...
2023-02-13Find coefficient of correlation from the following data : \[ \Sigma...
2023-02-13At high temperature, nitrogen combines with \( \mathrm{CaC}_{2} \) ...
2023-02-13Amar and Bhavan have a certain amount with them. If Bhavan gives \( β‚Ή 20 \) to Amar, he will hav...
2023-02-13Plaster of Paris is : (a) \( \mathrm{CaSO}_{4} \) (b) \( \mathrm{Ca...
2023-02-13General electronic configuration of lanthanides is : (1) \( (n-2) d...
2023-02-13The number of all possible selections of one or more questions from...
2023-02-13For a first-order reaction, the half-life period is \( \mathrm{P} \...
2023-02-13When alpha particles are sent through a thin metal foil, most \( \mathrm{P} \) of them go straig...
2023-02-13The energy of an electron in the first Bohr orbit of \( \mathrm{H} \)-atom is \( \mathrm{P} \) \...
2023-02-13Which of the following compounds are coloured due to charge transfe...
2023-02-13When \( \mathrm{MgCl}_{2} \cdot 6 \mathrm{H}_{2} \mathrm{O} \) is s...
2023-02-13For a first order reaction \( A \longrightarrow B \) the reaction r...
2023-02-13The fullowing table gives the two kinds of assessment of ten post-g...
2023-02-13The following data relate to the number of vehicles owned and road ...
2023-02-13Solve for \( z: 4 x+5 y+9 z=36,6 x+\frac{15}{2} y \) (W) \( +11 z=49 \). (a) 2 (b) 1 (c) 3 (d) C...
2023-02-13A particle is moving in a circle in front of a plane mirror in situ...


Tags:
pw