AP EAMCET · Maths · Permutation Combination
The number of all four digit numbers which begin with 4 and end with either zero or five is
- A \(200\)
- B \(64\)
- C \(256\)
- D \(32\)
Answer & Solution
Correct Answer
(A) \(200\)
Step-by-step Solution
Detailed explanation
The required no. of all four digit number \(=1 \times 10^2 \times 2=200\)
See the Complete Solution
Get step-by-step explanations for this and 2.5 Lakh+ more JEE, NEET & CET questions.
- Unlock all solutions
- Practice the full chapter
- Track accuracy across PYQs
4.8 rated on Google Play · 14,000+ reviews
More questions from Maths
- Let \(\mathrm{A}, \mathrm{B}, \mathrm{C}, \mathrm{D}\) and E be \(n \times n\) matrices, each with non-zero determinant. If \(\mathrm{ABCDE}=\mathrm{I}\), then \(\mathrm{C}^{-1}=\)AP EAMCET 2024 Easy
- The coordinates of the point \((3,-7,5)\) in the new system, when the origin is shifted to the point \((-1,-1,-1)\) by the translation coordinate of axes, isAP EAMCET 2023 Easy
- If \(\frac{2 x^4-3 x^2+4}{\left(x^2+1\right)\left(x^2+2\right)}=a+\frac{p x+q}{x^2+1}+\frac{m x+n}{x^2+2}\), then \(\frac{n}{q}=\)AP EAMCET 2025 Medium
- For \(x\) and \(y\) satisfying \(|x|+|y|=|x-3|+|y-2|\), which of the following is correct?AP EAMCET 2022 Medium
- If \(\frac{x^2-3 x+1}{(x-1)(x-2)(x-3)}=\frac{A}{x-3}+\frac{B}{(x-1)(x-2)}+\frac{C}{(x-1)(x-2)(x-3)}\) then \(\mathrm{B}=\)AP EAMCET 2017 Easy
- If \(x \in R\) and \(1 \leq \frac{3 x^2-7 x+8}{x^2+1} \leq 2\), then the minimum and maximum values of \(x\) are respectively.AP EAMCET 2019 Medium
More PYQs from AP EAMCET
- In a triangle, if \(b=20, c=21\) and \(\sin A=\frac{3}{5}\), then \(a\) is equal to :AP EAMCET 2003 Easy
- If \(3 x+y+k=0\) is a tangent to the circle \(x^2+y^2=10\), then \(k=\ldots . . .\).AP EAMCET 2020 Easy
- The normal at a point on the parabola passes through . If two more normals to this parabola also pass through then the centroid of the triangle formed by the feet of these three normals isAP EAMCET 2019 Medium
- If \(x^a y^b=e^m, x^c y^d=e^n, \Delta_1=\left|\begin{array}{ll}m & b \\ n & d\end{array}\right|, \Delta_2=\left|\begin{array}{ll}a & m \\ c & n\end{array}\right|, \Delta_3=\left|\begin{array}{ll}a & b \\ c & d\end{array}\right|\), then the values of \(x\) and \(y\) are respectively ( \(e\) is the base of natural logarithm)AP EAMCET 2025 Medium
- Two charges each are placed at the comers A and B of an equilateral triangle of side in air. The electric potential at the third comer C isAP EAMCET 2021 Medium
- If \((3,4,-7)\) is the foot of the perpendicular drawn from the point \((-2,3,6)\) to the plane \(\pi\), then the sum of the intercepts made by the plane \(\pi\) on the \(X\) and \(Y\)-axes isAP EAMCET 2022 Easy