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Question 79

Find the area of the shaded portion in the following figure.

Which of the following images is not symmetric (assuming the triangle given to be an isosceles triangle)?

The number of diagonals in an octagon will be

Evaluate :

$\left(i\right)\frac{3}{7}+\frac{-4}{9}+\frac{-11}{7}+\frac{7}{9}\left(ii\right)\frac{2}{3}+\frac{-4}{5}+\frac{1}{3}+\frac{2}{5}\left(iii\right)\frac{4}{7}+0+\frac{-8}{9}+\frac{-13}{7}+\frac{17}{9}\left(iv\right)\frac{3}{8}+\frac{-5}{12}+\frac{3}{7}+\frac{3}{12}+\frac{-5}{8}+\frac{-2}{7}$

Question 115

A financial counselor gave a client this pie chart describing how to budget his income. If the client brings home Rs 50000 each month, how much should he spend in each category ?

Find the measure of $\angle x$ in the given figure:​

Calculate the distance travelled in each of the following.

4 hrs at 56 km/hr.

Classify the following algebraic expressions as monomials, binomials, trinomials or polynomials.

(i) $7x$ (ii) $5y-7z$ (iii) $3x^3-5x^2-11$ (iv) $1-8a-7a^2-7a^3$

(v) $5m-3$ (vi) $a$ (vii) $4$

(viii) $3y^2-7y+5$

Question 10

In the standard form of a rational number, the denominator is always a

(a) 0

(b) negative integer

(c) positive integer

(d) 1

Add 3.1421 ,0.241 and 0.09 and give your answer with correct precision

Among the following options which value of a and b satisfies the equation:
${15}^2$ + $a^2$ = $b^2$

A person travelled 160km out of 800 km by car and the rest by bus. What percentage of the distance did he travel by bus?

Question 3(iii)

Express the number appearing in the following statements in standard form:

Size of bacteria is 0.0000005 m.

Pair the addition statements with their correct answers.

Simplification of ${18}^2$ to its prime factors is .

The price of an item increases in the ratio 3:4. If the initial price was ₹15, the revised price is ₹ ____.

In the figure given below, AB is the diameter of the circle and CD is the height of $△ACB.$ If the circumference of the circle is 44 cm, then what is area of $△ACB$ given that CD = 5 cm (Use $\pi =\frac{22}{7}$).

निम्नलिखित प्रश्न का उत्तर एक-दो पंक्तियों में दीजिए −

सत्कार की ऊष्मा समाप्त होने पर क्या हुआ?

If B lies between A and C, AC = 15 cm and BC = 9 cm then ${AB}^2$ is :-

Question 6 (iii)

Simplify the expression and find the value ifx is equal to 2:
6x + 5(x - 2)

Find using distributive property:

$4275\times 125$

Which of the following is equivalent to 1 J?

Question 33

Fill in the blanks to make the statement true.

If 5 is added to three times a number, it becomes the same as 7 is subtracted from four times the same number. This fact can be represented as ..............