Question

14. Write the digits 0, 1, 2, 3, 4, 5, 6, 7, 8 and 9 in this order and insert ‘+ ‘or ‘–’ between them to get
the result (a) 5 (b) –3

Answer 1

Answer:

(a) 0 + 1 – 2 + 3 – 4 + 5 – 6 + 7 –8 + 9 = 5 (b) 0 – 1 – 2 + 3 + 4 – 5 + 6 – 7 + 8-9 = –3