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By ashat skoeld numbershould3\ $\left(\dfrac {3} {5}\right)b$ divided bo $9^{0t}\left(\dfrac {5} {3}\right)^{2}$ $-$ $n|m$

Find $1le∠\left(.M_{0}\left($ dix ision mehed $iy26,63,$ $81,99$

$1$ Find $4$ $x^{3}$ in the following figures? $\left(1\right)$ $A$ $\left(11\right)$ $56^{°}$ $B$ $x^{0}$ $123^{0}$ $C$ $D$ $.$ $\left(111\right)$ $A$ $\left(1\right)$ $25^{0}$ $x^{0}$ $30^{°}$ $B$

2 Express: of 4.5 m $20$ as a percentage $0150$ $\left(\right)$ $904xn$ $a4a$ as a percentage (iii 45 litres as a percentage of 15 litres (iv 250 g as a percentage of 5 kg

2 Factorise the following. $6a+6b$ ii /2 11 iii $185a+185b$ iv $bm+bn$ V $ax+bx$ vi $cdm+cdt$ vii $28x-14y$ viii $4xy+4y$ ix $3x^{2}-6a^{6}$ x $36a^{2}b^{3}-18a^{3}b^{2}$ xi $ax-ay$ xii $2xy^{2}+2xy$ xiii $9x^{2}+3x$ xiv $25m^{2}n^{3}-5mn$ XV $12y^{3}+6a^{3}$ xvi $7x+14y$ xvii $12x^{3}y-4xy^{2}$ xviii $3ay+3az$ xix $3x+9y$ XX 9x-12

EXERCISE Ta) h0 e L 1. Find the $ \,_{-.}C_{.} M$ of the following numbers : The i) 9 $11nd4$ ii) 12 and 5 iii) 6 and 5 iv) $15and4$ a) 1: Ooserve a common property in the obtained $CM.s$ $lsL.C$ L.C.M. the product of $1N0$ numbers $C1se3$ 2. Determine the L.C.M $C.M$ of the numbers given $belo1N$ IdaTf ai) a ) v h i) $48.60$ ii) $42.63$ iii) $18,17$ iv) $15,30,90$ v) 56, 65, 85 vi) $180,384$ 144 vii) $28,36,45,60$ 3. i) Find the least number which is exactly divisible by 16, $24q$ and 36. TH ii) Find the least number which is exactly divisible by $14,21,24,30a$ and 42. a 4. What is the smallest number which when divided by $24,36$ and 54 gives a remainder of 5 in each