Question


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| Column A | Column B |
| (a) Arithmetic mean | (i) Highest frequency |
| (b) Range | (ii) Middle observation |
| (c) Median | (iii) $\frac{\text { Sum of all observations }}{\text { Number of observations }}$ |
| (d) Mode | (iv) Highest observation - Lowest observation |
| Column A | Column B |
| (i) $\frac{a}{b} \div \frac{a}{b}$ | (a) $\frac{-a}{b}$ |
| (ii) $\frac{a}{b} \div \frac{c}{d}$Z | (b) -1 |
| (iii) $\frac{a}{b} \div(-1)$ | (c) 1 |
| (iv) $\frac{a}{b} \div \frac{-a}{b}$ | (d) $\frac{a d}{b c}$ |
| Column A | Column B |
| (i) The product of 20 and half a number added to 40 is 60. | (a) $x=\frac{8}{3}$ |
| (ii) One-fourth the sum of a number and 5 is 10. | (b) $x=2$ |
| (iii) The root of $6 x+2=14$ | (c) $\frac{1}{2} x \times 20+40=60$ |
| (iv) The root of $\frac{3 x}{4}+1=3$ | (d) $\frac{1}{4}(x+5)=10$ |

| 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 |
| Column A | Column B | ||
| (i) | $2 \frac{6}{13} \div\frac{1}{13}$ | (a) | $\frac{5}{43}$ |
| (ii) | $3 \frac{1}{3} \div14 \frac{1}{3} \times \frac{1}{2}$ | (b) | 32 |
| (iii) | $2.69 \times 12.64$ | (c) | 8.8 |
| (iv) | $29.04 \div 3.3$ | (d) | 34.0016 |
| 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) | 5% of 40 | (a) | $66 \frac{2}{3} \%$ |
| (ii) | 0.25 | (b) | 1:16 |
| (iii) | $\frac{2}{3}$ | (c) | 2 |
| (iv) | $6 \frac{1}{4} \%$ | (d) | 25% |

| Column A | Column B |
| (i) $\angle 1$ is equal to | (a) $102^{\circ}$ |
| (ii) $\angle 2$ is equal to | (b) $78^{\circ}$ |
| (iii) $\angle 3$ is equal to | |
| (iv) $\angle 4$ is equal to |
| 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) $3-n^2$ |