Question

Study the following pattern:
1 = (1 × 2)/ 2
1 + 2 = (2 × 3)/ 2
1 + 2 + 3 = (3 × 4)/ 2
1 + 2 + 3 + 4 = (4 × 5)/ 2

Answer 1

Answer:

1.as per question 1=1×2/2

1=2/2

1=1

2.as per question 1+2=(2×3)/2

3=6/2

3=3

3.as per question 1+2+3=(3×4)/2

6=12/2

6=6

4.as per question 1+2+3+4=(4×5)/2

10=20/2

10=10