Question

7*1/2+8*1/2=_______?,Answer the given question by selecting proper alternative.
(A) 16
(B) 15*1/2
(C) 5*1/2
(D) 15

Answer 1

$7 \times \frac{1}{2} + 8 \times \frac{1}{2} = \frac{7}{2} + \frac{8}{2} \\ \\ \: \: \: \: \: \: \: \: \: \: \: \: \: \: \: \: \: \: \: \: \: \: \: \: \: \: \: \: \: = \frac{7 + 8}{2} \\ \\ \: \: \: \: \: \: \: \: \: \: \: \: \: \: \: \: \: \: \: \: \: \: \: \: \: \: \: \: \: = \frac{15}{2} \\ \\ \: \: \: \: \: \: \: \: \: \: \: \: \: \: \: \: \: \: \: \: \: \: \: \: \: \: \: \: \: = 15 \times \frac{1}{2} \\ \\ \\...... option \: (b) \: is \: correct....$

Answer 2

Hello !

Here ia your answer !

= 7 × 1 / 2 + 8 × 1 / 2

= 7 / 2 + 4

= 7 + 8 / 2

= 15 / 2

= 15 × 1 / 2

Hope it helps :)