Directions (next five questions) : What should come in place of question mark (?) in the following question ?
1559.95-7.99×24.96-?2=1154
⇒ 1560-8×25-?2=1154
⇒ 1560-200-?2=1154
⇒ ?2=1360-1154
⇒ ?2=206
⇒ ?2=14
Directions (next five questions) : In these questions, two equations numbered I and II are given. You have to solve both the equations and mark the appropriate option.
I. 5x2+8x+3=0
II. 3y2+7y+4=0
I. 3x2-13x+12=0
II. 3y2-13y+14=0
I. 2x2+15x+27=0
II. 2y2+7y+6=0
I. 2x2-9x+10=0
II. 2y2-13y+20=0
I. x2=144;
II. y2-24y+144=0