Total Questions: 100
7 × 6 + 1 = 43
43 × 42 + 1 = 1807
1807 × 1806 + 1 =3263443
a² + b² - 2ab = 16 ...... (i) a² + b² + 2ab = 25 ...... (ii)
+ + + + -------------------- 2a² + 2b² = 41
7+3=28 9+3=54
6+4=12 8+3=?
7 × (7 - 3) 9 × (9 - 3)
6 + 4 = 12 8 + 3 = 40
6 × (6 - 4) 8 × (8 - 3)