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In the given figure, ABCD is a rhombus, then the value of x - y is

increasing a number by 100% is the same as

A) MULTIPLYING IT TO THE NUMBER ITSELF

B) MULTIPLYING THE NUMBER BY 2

C) ADDING 2 TO THE NUMBER

D) ADDING 100 TO THE NUMBER

A solid iron cuboidal block of dimensions $4.4m\times 2.6m\times 1m$ is recasted into a hollow cylindrical pipe of internal radius $30cm$ and thickness $5cm$. The length of the pipe is ________.

Look at this table. It classifies the days of the months of June, July and August according to the rainfall received in a locality.

Draw a histogram for this data.

The mean of $20$ numbers is $18.$ If $3$ is added to each of the first ten numbers, find the mean of the new set of $20$ numbers.

If, in a right angled triangle ABC, the hypotenuse AB = p, then AB . AC + BC . BA + CA . CB =

Question 108(ii)

Verify the property $x\times y=y\times x$ of rational numbers by using

$x=\frac{2}{3}$ and $y=\frac{9}{4}$

Construct a right-angled triangle whose perimeter is equal to 10 cm and one acute angle equal to ${60}^{\circ }$.

In the adjoining figure,ABCD and BQSC are two parallelograms.Prove that $ar\left(△RSC\right)=ar\left(△PQB\right)$.

In the given figure it is given that AB = CF, EF = BD and $\angle$AFE = $\angle$DBC. Then $△$AFE is congruent to $△$CBD by which criterion?

The length of a minute hand of a wall clock is 10 cm. What is the area swept by it in 30 minutes.

If the vertices of a triangle are (1,-3), (4, p) and (-9, 7) and its area is 15 sq.units, find the value(s) of p.

Which of the following is a constant polynomial?

If the integers m and n are chosen at random between 1 and 100, then the probability that a number of the form $7^m+7^n$ is divisible by 5 equals.

Solve

3x + 2y = 36

5x + 4y = 64

If A is the set of all $xϵR$ such that $x^{(logx{)}^2-3logx+1}>1000$, and $A=(a,\infty )$ then $\sqrt{10a}$ will be ___. (Base of $logx$ is 10).

there are four lines in a plane , no two of which are parallel.the maximum number of points in which they can intersect is:

a}4

b}5

c}6

d}7

IS THERE ANY PROOF OR FORMULA FOR THESE KIND OF QUESTIONS?

Two circles of radii $5cm$ and $3cm$ intersect at two points and the distance between their centers is $4cm.$ The length of the common chord is

Question 91

The thickness of a hollow metallic cylinder is 2 cm. It is 70 cm long with outer radius of 14 cm. Find the volume of the metal used in making the cylinder, assuming that it is open at both the ends. Also, find its weight if the metal weighs 8 g per $c{m}^3$.

Question 76

Change the statements, converting expressions into statements in ordinary language:

Leela contributed Rs. y towards the prime minister's relief fund. Leela is now left with Rs. (y + 10000).

The value of x that satisfies $|x-1|=|x-3|$ is

$\frac{5^{10+n}\times {25}^{3n-4}}{5^{7n}}$ = ___

Use suitable identities to find the following product: (x + 8) (x – 10)

Value of log⁶216 is

A hollow iron pipe 10 cm long has exterior radius equal to 14 cm. If the thickness of the pipe is 4 cm, then the total surface area of the pipe is

The height of a cone is 15 cm. If its volume is 1570 cm³, find the diameter of its base. [Use π = 3.14]

Fill in the correct entries with respect to the properties asked. AD, BE and CF are perpendicular to the sides BC, CA and AB respectively.

Let 2 s = AB + BC + CA.
Area of $△$ABC = $\frac{1}{2}\times \_\_\_\times AB$
Area of $△$ABC = $\frac{1}{2}\times BC\times \_\_\_$
Area of $△$ABC = $\sqrt{\_\_\_(s-AB)(s-CA)(s-BC)}$

Which of the following fraction is recurring decimal?

1. 3

Given that y = -6x + 1 and -3 < x < $\frac{2}{3}$. Then y lies in which of the following intervals.

In a triangle, an exterior angle at a vertex is ${95}^{\circ }$ and its one of the interior opposite angle is ${55}^{\circ }$ then the measure of the other interior angle is