Question
Match the following nets with appropriate solids:
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| Column A | Column B | ||
| (i) | $4 \frac{6}{9} \div\frac{1}{81}$ | (a) | 378 |
| (ii) | $7 \frac{5}{6} \times \frac{3}{47} \times 46$ | (b) | 20.6 |
| (iii) | $9.42 \times 5.45$ | (c) | 23 |
| (iv) | $14.42 \div 0.7$ | (d) | 51.339 |
| Column A | Column B |
| (a) The median of the data 3, 4, 5, 6, 7, 3, 4 is | (i) Bar graph |
| (b) The range of the data 21, 6, 17, 18, 12, 8, 4, 13 is | (ii) 4 |
| (c) The representation of data with bars of uniform width is called | (iii) 17 |
| (d) The mode of the data 3, 4, 5, 6, 7,9, 4 is | (iv) 4 |
| Column A | Column B |
| (i) A half-turn means rotation by | (a) $180^{\circ}$ |
| (ii) A quarter-turn means rotation by | (b) sides and angles |
| (iii) A complete turn means rotation by | (c) $90^{\circ}$ |
| (iv) Regular polygon have equal | (d) $360^{\circ}$ |
| Column A | Column B |
| (i) $\left(a^m\right)^n$ | (a) $(a)^{m n}$ |
| (ii) $a^m \div b^m$ | (b) $(a b)^m$ |
| (iii) $a^0$ | (c) $\left(\frac{a}{b}\right)^m$ |
| (iv) $a^m \times b^m$ | (d) 1 |
| Section $'A'$ | Section $'B'$ | Answer |
| $( 1 )0^{\circ}$ to $90^{\circ}$ | $( a )$ Zero angle | $(1-$________$)$ |
| $(2) 90^{\circ}$ to $180^{\circ}$ | $( b )$ Right angle | $(2-$________$)$ |
| $( 3 ) 180^{\circ}$ to $360^{\circ}$ | $( c )$ Straight angle | $(3-$________$)$ |
| $(4) O ^{\circ}$ | $(d)$ Obtuse angle | $(4-$________$)$ |
| $( 5 ) 90^{\circ}$ | $(e )$ Acute angle | $(5-$________$)$ |
| $( 6) 180^{\circ}$ | $( f )$ Reflex angle | $(6-$________$)$ |
| $( 7 ) 360^{\circ}$ | $(g)$ Complete angle | $(7-$________$)$ |
| Column A | Column B |
| (i) $\frac{2}{6}+\frac{4}{6}$ | (a) $\frac{37}{81}$ |
| (ii) $\frac{2}{8}-\frac{1}{4}$ | (b) $\frac{9}{32}$ |
| (iii) $4 \frac{1}{9} \times \frac{1}{9}$ | 1 |
| (iv) $\left(\frac{7}{21}\div\frac{8}{3}\right)\div\frac{4}{9}$ | 0 |
| Column I | Column II |
| (i) Sum of all three angles in a triangle is | (a) $60^{\circ}$ |
| (ii) Sum of interior opposite angles is equal to | (b) $90^{\circ}$ |
| (iii) Equilateral triangle have each angle equals to | (c) exterior angle |
| (iv) In a right angled triangle, atleast one angle should be | (d) $180^{\circ}$ |
| Column I | Column II |
| (i) The difference of 3 and a number squared | (a) 4 - 2x |
| (ii) 5 less than twice a number squared | (b) $n^2+6$ |
| (iii) Five minus twice the square of a number | (c) $2 n^2-5$ |
| (iv) Four minus a number multiplied by 2 | (d) $5-2 n^2$ |
| (e) $3-n^2$ |
| Column I | Column II |
| (i) The coefficient of x in 24xy is | (a) 2 |
| (ii) The factors of $5 x y^2$ is | (b) 24y |
| (iii) The sum of $9 x^2 y^2$ and $2 x^2 y^2$ is | (c) 5 × x × y × y |
| (iv) If $a=1, b=1$, then $6 a^2-2 a b-2 b^2$ is | (d) $11 x^2 y^2$ |
| Column A | Column B |
| (i) Simple Interest | (a) $\frac{\text { Loss }}{\text { Cost Price }} \times 100$ |
| (ii) Profit % | (b) Expenditure + Saving |
| (iii) Loss % | (c) $\frac{P \times R \times T}{100}$ |
| (iv) Income | (d) $\frac{\text { Profit }}{\text { Cost Price }} \times 100$ |