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10., a, , 12, , 13., uM, , 15., , ‘Simplify,, , @ 2x- Gy-@-%)}, , () Sa-Ba-Q-a)+4), , Pallavi spends € x daily and saves €y per day. What is her income aftef3 weeks?, FP =- 10, find the value of P - 2 100., , 1, Ifa += 6, then find the value of 54+52., , From the sum of 3x—y+ 11 and—y— 11, subtance 3 y= 11, ‘Write down the numerical coefficient in each of the following terms., , Ov @ 39 GDN 2 Gv) Sade, , Simplify the expression and find its value'whem a = 5 and b =—3. 2(a + ab) +3—ab, Add 4x°y, 8x°y and -22°y., , Solve and verify your answer., , , , 2, Hxt8=x+6, , ‘What should be added to a? + ab + 2° to obtain 4ab + 5°?, ‘The length of a rectarigular field is 6m less than three times its breadth. Find the dimensions of the, rectangle if its perimeter is 148 m., , Collect like terms and simplify the expression, , (2mt.— Ome 5m — 4mm? — 7m +10, , ‘What sliould be subtancted from a° — 4a° + Sa—6 to obtain a? — 2a + 1?, , Inaitisoceles triangle, the base angles are equal, the vertex angle is twice either the base angle. What, are the degree measures of the angles of triangle?, , A bag contains 25 paise and so paise coins whose total values is 30. Ifthe total number of 25 paise, coins is four times that of 50 paise coins, find the number of each type of coins.