How many4 digit numbers are there which contains not more than 2 different digits? \( \mathrm{P} \) VIDEO
How many4 digit numbers are there which contains not more than 2 different digits?
\( \mathrm{P} \)
📲PW App Link - https://bit.ly/YTAI_PWAP
🌐PW Website - https://www.pw.live
Other Videos By PW Solutions 2023-02-13 Solve the following pair of linear equations by elimination method.
(i) \( 89 x+91 y=449,91 x+89... 2023-02-13 Inorganic benzene is :
(Haryana PMT 2010)
(a) \( \mathrm{B}_{3} \ma... 2023-02-13 The families, Convolvulaceae and Solanaceae
P are included in the o... 2023-02-13 \( \mathrm{P} \)
Give some examples where physics has been used in ... 2023-02-13 \( \mathrm{Fe}(\mathrm{OH})_{3} \) and \( \mathrm{Cr}(\mathrm{OH})_... 2023-02-13 Planes \( P_{1}^{\prime}, P_{2}{ }^{\prime}, P_{3}{ }^{\prime} \) a... 2023-02-13 Consider a plane passing through three points \( \mathrm{A}(\mathrm... 2023-02-13 Each of 3 committees has 1 vacancy which is to be filled from a group of 6 people. Find the numb... 2023-02-13 It can take \( 12 \mathrm{~h} \) to fill a swimming pool using two
(W) pipes. If the pipe of lar... 2023-02-13 If for a real number \( y,[y] \) is the greatest integer less than or equal to \( y \), then the... 2023-02-13 How many4 digit numbers are there which contains not more than 2 different digits? \( \mathrm{P} \) 2023-02-13 Solve the system of equations: \( \left.\begin{array}{l}z+a y+a^{2} x+a^{3}=0 \\ z+b y+b^{2} x+b... 2023-02-13 The species (man, housefly, mango, wheat, dog, cat, lion, tiger, po... 2023-02-13 Recognise the following flow diagram and find the correct option ac... 2023-02-13 Borax is used as a cleansing agent because on dissolving in water, ... 2023-02-13 Ferric alum gives deep red colour with \( \mathrm{NH}_{4} \mathrm{S... 2023-02-13 If \( x=\sin ^{-1}(\sin 10) \) and \( y=\cos ^{-1}(\cos 10) \), the... 2023-02-13 Solve for \( x \) and \( y \) by substitution method
(i) \( x+y=a-b, a x-b y=a^{2}+b^{2} \)
(ii)... 2023-02-13 Find the equations of the two lines through the origin which inters... 2023-02-13 Turnbull's blue is a
(a) ferricyanide
(b) ferrous ferricyanide
(W)
... 2023-02-13 A black sulphide is formed by the action of \( \mathrm{H}_{2} \math...