The Total solution for NCERT class 6-12
Answer - 1 : -
Answer - 2 : - (i) 37 ×38 = 37+8= 315 = 14348907(ii) 64 × 62 ÷ 65 =64+2-5= 61 =6(iii) 59 ×54 : 58 =59+4-8 = 55 = 3125(iv) 2 × 52 +5 × 25 =2 × 5 × 5 + 5 × 2 × 2 × 2 × 2 × 2 = 50 + 160 = 210
Answer - 3 : -
Answer - 4 : -
Answer - 5 : -
(-1)49 ÷ (-1)25= (-1)49-25 = (-1)24 =1
Answer - 6 : -
Answer - 7 : -
Answer - 8 : - (i) 40_5
Answer - 9 : - (iii)9
Answer - 10 : - (iv) 180