Page 1 :
RAY TUTTO ——— LL, , class 7™, MM. ss ee +220 MIN., ROLL NO ——, , Each carry & marks, , NAME ee, Long Answer Type Questions, 1) Prove that a(b +c) =ab+ac,, D4=8,b=9 ande=12, , if, i) a=- 4,b= -6 and, , Q2) Find the value of ) 36 +645 i)(-18)+4+(5-3) il)(-3)2x% (- 5), , Ge) Prove that i) (a-b)= = a? - b> -sab(a-b), , Short Answer Type Questions, , Find the value of, , In each of the questions 1 only one is correct, , Write the correct answer, Q2.5:2 is equal to, , (a) 52%, , Solution:, , Q2. The ratio