Question

plzz solve this question

Answer 1

Answer: 190

Subtract 1 from the first number as in the first three multiplications:-

4x5 ⇒ (4-1)x5 ⇒ 3x5 = 15

7x2 ⇒ (7-1)x2 ⇒ 6x2 = 12

2x8 ⇒ (2-1)x8 ⇒ 1x8 = 08

Similarly,

20x10 ⇒ (20-1)x10 ⇒ 19x10 = 190

Hope this helps.