The number of numbers between 1 and \( 10^{10} \) which contain the digit 1 is-
(a) \( 10^{10}-9...
The number of numbers between 1 and \( 10^{10} \) which contain the digit 1 is-
(a) \( 10^{10}-9^{10}-1 \)
(b) \( 9^{10} \)
(c) \( 10^{10}-8^{10} \)
(d) \( 9^{9} \)
📲PW App Link - https://bit.ly/YTAI_PWAP
🌐PW Website - https://www.pw.live
Other Videos By PW Solutions
2023-07-03 | If a cricket team of 11 players is to be selected from 8 bastman, 6 bowlers , 4 all rounder and ... |
2023-07-03 | Sixteen players \( S_{1}, S_{2}, S_{3}, \ldots \ldots, S_{16} \) play in a tournament. Number of... |
2023-07-03 | The number of odd proper divisors of \( 3^{\mathrm{p}} \cdot 6^{\mathrm{m}} \cdot 21^{\mathrm{n}... |
2023-07-03 | Let there be \( n \geq 3 \) circles in a plane. The value of \( n \) for which the number of rad... |
2023-07-03 | In an eleven storey building 9 people enter a lift cabin. It is known that they will leave the l... |
2023-07-03 | All possible 120 permutations of WDSMC are arranged in dictionary order, as if each were an ordi... |
2023-07-03 | The number of six digit numbers between 700000 and 800000 such that the first digit is equal to ... |
2023-07-03 | The number of ways of selecting \( n \) things out of \( 3 n \) things, of which \( n \) are of ... |
2023-07-03 | The number of ways in which 5 male and 2 female members of a committee can be seated around a ro... |
2023-07-03 | Between two junction stations \( A \) and \( B \) there are 12 intermediate stations. The number... |
2023-07-03 | The number of numbers between 1 and \( 10^{10} \) which contain the digit 1 is-
(a) \( 10^{10}-9... |
2023-07-03 | \( \lim _{n \rightarrow \infty} \sum_{k=1}^{n} \frac{k^{2}+k-1}{(k+1) !} \) is equal to
(a) 1
(b... |
2023-07-03 | In a place these are 37 straight lines of which 13 pass through the point A and 11 pass through ... |
2023-07-03 | strongOne centimetre on the main scale of vernier callipers is divided into ten equal parts./str... |
2023-07-03 | If \( S_{n} \) denotes the sum of \( n \) terms of an arithmetic progression, then the value of ... |
2023-07-03 | Evaluate \( \cos \left\{\cos ^{-1}\left(\frac{-\sqrt{3}}{2}\right)+\frac{\pi}{6}\right\} \). |
2023-07-03 | If \( A=\left[\begin{array}{lll}1 & 0 & 0 \\ 1 & 0 & 1 \\ 0 & 1 & 0\end{... |
2023-07-03 | Insert five geometric means between 486 and 2/3.What is the inverse of ratio of consecutive terms ? |
2023-07-03 | If area of triangle is 35 sq units with vertices \( (2,-6),(5,4) \) and \( (k, 4) \). Then \( k ... |
2023-07-03 | Use Euclids division lemma to show that the cube of any positive integer is of the form \( 9 m, ... |
2023-07-03 | If \(A+B+C=\pi\) and \(\cos A=\cos B\cos C\), then \(\tan B\tan C\) is equal to |