No student devices needed. Know more
15 questions
Square root of 3125
125
$25\sqrt{5}$
$5\sqrt{125}$
The base of a triangle is twice its height. If the area of the triangle is
$25^2$ , then the base is10cm
20cm
25cm
5cm
3 persons can paint a house in 8 days, then 4 persons can paint the same house in
6 days
5 days
7 days
none of these
A jacket is marked for ₹2590. If the S.P. of jacket is ₹2331, then discount % is
5%
15%
10%
20%
Multiplicative inverse of
$\left(\frac{-2}{3^{ }}\right)^4$$\frac{16}{81}$
$\frac{81}{16}$
$\frac{-16}{81}$
$\frac{-81}{16}$
Between two rational numbers
There is no rational number
There is exactly one rational number
There are infinitely many rational numbers
There are only rational numbers and no irrational numbers
Which of the following is an irrational number?
$\frac{\sqrt{12}}{\sqrt{3}}$
$\sqrt{7}$
$\sqrt{81}$
If a,b,c are the lengths of the sides of a triangle, then
a-b > c
c > a+b
c = a+b
c < a+b
The sides of a rectangular plot are 15m and 8m, then the length of its diagonal is
17 m
23 m
21 m
17 cm
The sum of two natural numbers is 25 and their difference is 7. The numbers are
17 and 8
16 and 9
18 and 7
15 and 10
Which of the following algebraic expression is not a polynomial ?
$3x^2-2x\ +7$
$\sqrt{2}x^2\ +\ \sqrt{3}x\ +\ \sqrt{6}$
$\frac{5x^3}{2x}\ +\ 3x^2\ +\ 8$
$3x\ +\ \frac{2}{x}\ +\ 7$
Volume of a rectangular box whose adjacent edges are
$3x^2$ , $4y^2z$ , $5z^2x$ respectively is$60x^{3\ }y^3\ z^3$
$60x^2y^2z^2$
$60xyz$
none of these
A number increased by 25% gives 155. The number is
132
124
128
120
$30\degree$
$60\degree$
$150\degree$
none of the above
Value of
$x\degree,y\degree,z\degree$ respectively are$60\degree,40\degree,80\degree$
$60\degree,60\degree,60\degree$
$50\degree,80\degree,50\degree$
$40\degree,80\degree,60\degree$
Explore all questions with a free account