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2a + 3b + c + d ----(1)
6b + 3c + 9d + 4a--(2)
5a + 7b - 2c - d-----(3)
What is the value of (1) + (2) - (3)?

$\stackrel{⟷}{AB},\stackrel{⟷}{BC},\stackrel{⟷}{CD}and\stackrel{⟷}{DA}$ are straight lines. Now consider the following figure:

How many transversals can be identified in the above figure?

What decimal and fraction from the following represent the shaded part in the figure given below?

Length and breadth of a piece of rectangular wire are 18 cm and 15 cm. It is bent into the shape of a circle . find the diametre of the circle

Question 36

State whether the following statement is true (T) or false (F).

Sum of the ages of Anjuand her mother is 65 years. If Anju's pesent age is y years, then her mother's age before 5 years is (60-y) years.

Question 165

Find two repeater machines that will do the same work as a $(\times 81)$ machine.

Write an algebraic expression for the statement '6 less than the quotient of x divided by 3 equals 2'.

1. 46

Evaluate $(3x^4{)}^{-2}\times (x^{12}{)}^{\frac{2}{3}}$

The perimeter of a square whose side length is 3.25 cm is ______ cm.

Question 6: Consider the following figure of line $\overleftrightarrow{MN}$ . Say whether following statement is true or false in the context of the given figure:







M and N are end points of line segment $\overline{MN}$

If one angle of a triangle is equal to the sum of the other two, show that the triangle is right-angled.

(-100) ÷ (-20) is _____.

What do we call a triangle that has all three sides of equal length?

In the figure, AC=10cm, PC= 15cm, PQ=12cm, find PB?

The runs of Sachin, Sehwag, Dravid and Dhoni are in proportion. Find the Sehwag's runs if runs scored by Sachin, Dravid and Dhoni are $24,28,42$ respectively.

The side view of a solid is a rectangle and it's top view is a triangle. Which of the following could be the described solid shape?

Express 432 in exponential form

How many rational numbers can be determined between $\frac{3}{5}and\frac{7}{8}$.

The inequality $\frac{y}{3}>4$can be simplified into which one of the following?

In the figure below, OP, OQ, OR and OS are four rays.
Find $\frac{(\angle POQ+\angle QOR+\angle SOR+\angle POS)}{3}$.

इस
गीत
की
किन
पंक्तियों
को
तुम
अपने
आसपास
की
ज़िंदगी
में
घटते
हुए
देख
सकते
हो?

Question 7

The inner diameter of a circular well is 3.5 m. It is 10m deep. Find

(i) Its inner curved surface area,

(ii) The cost of plastering this curved surface at the rate of $Rs.40per{m}^2.[Assume\pi =\frac{22}{7}]$

The circumference of the circle with radius 0.6 cm and π = 3.14 is _______

जन + जाति = जनजाति

शांति + प्रिय = शांतिप्रिय

महा + पुरुष = महापुरुष

मित्रता + पूर्ण = मित्रतापूर्ण

From the given figure :



Find the sum of x, y and z.

Area of each of the following figures is 64 sq.cm.



(i)(ii)

(iii)

Find the value of (h - b - s).

Question 3

Find the breadth of a rectangular plot of land, if its area is 440 $m^2$ and the length is 22 m. Also, find its perimeter.

The area of a square is $4t^2$ unit${}^2$. The dimension of each side of the square is

Which of the following triplets can be taken as the sides of a triangle?

More days, less men and less days, more men, is an example of _________ variation.

In the given figure, there are two triangles on Line segment $KO$.

if $\angle N={50}^o$ find $\angle L$.

In the given figure, AB||CD. The value of x is

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Find the value of $(\frac{-2}{5}{)}^7÷(\frac{-2}{5}{)}^6$.