Question
How many two digit natural numbers are divisible by 5 ?
✓
Answer
18
Need a full question paper?
Generate a complete, print-ready paper with questions like this in minutes — across 16+ boards, with answer keys.
Explore more
Similar questions
Make a list of ten services and their GST rates as per activity 1. (e.g. Railway and ST bus booking services etc.) You can also collect service bills and complete the given information
Solve the following systems of equations:
$\frac{2}{\text{x}}+\frac{5}{\text{y}}=1,$
$\frac{60}{\text{x}}+\frac{40}{\text{y}}=19,\text{x}\neq0,\text{y}\neq0.$
→$\frac{2}{\text{x}}+\frac{5}{\text{y}}=1,$
$\frac{60}{\text{x}}+\frac{40}{\text{y}}=19,\text{x}\neq0,\text{y}\neq0.$
A solid is composed of a cylinder with hemispherical ends. If the whole length of the solid is $104\ cm$ and the radius of each of the hemispherical ends is $7\ cm$, find the cost of polishing its surface at the rate of $Rs\ 10\ per\ dm^2.$
→In the adjoining figure, chord AD $\cong$ chord BC. m(arc ADC) = 100°, m(arc CD) = 60°. Find m(arc AB) and m(arc BC).
→A rectangular park is 100m by 50m. It is surrounding by semi-circular flower beds all round. Find the cost of levelling the semi-circular flower beds at $60$ paise per square metre $\big(\text{Take }\pi=3.14\big).$
→Solve for x.
$\frac{1}{\text{x}}+\frac{2}{2\text{x}-3}=\frac{1}{\text{x}-2},$ $\text{x}\neq0,\frac{3}{2},2$
→$\frac{1}{\text{x}}+\frac{2}{2\text{x}-3}=\frac{1}{\text{x}-2},$ $\text{x}\neq0,\frac{3}{2},2$
Find the common difference and write the next four terms of the following arithmetic progressions:
$-1,\frac{1}{4},\frac{3}{2},\ .....$
→$-1,\frac{1}{4},\frac{3}{2},\ .....$
Solve the following system of equations by the method of cross-multiplication:
ax + by = a - b,
bx - ay = a + b.
Determine the sum of first $100$ terms of given A.P.$ 12,14,16,18,20........$
Activity :- here, a=12, ____ n=100, $S_{100}=?$
$ S _{ n }=\frac{ n }{2}[\square+( n -1) d ]$
$S _{100}=\frac{\square}{2}[24+(100-1) d ]$
$= 50 ( 24 +$ ____ )
= _____
→Activity :- here, a=12, ____ n=100, $S_{100}=?$
$ S _{ n }=\frac{ n }{2}[\square+( n -1) d ]$
$S _{100}=\frac{\square}{2}[24+(100-1) d ]$
$= 50 ( 24 +$ ____ )
= _____
An urn contains 10 red and 8 white balls. Write sample space $S$ and $n(S)$. Write the events $A$ and B using Set and mention $n(A)$ and $n(B)$ if $A$ is the event that ball is white, B is the event that ball is neither white nor red.
→