Directions (next six questions): What should come in place of question mark (?) in the following number series ?
606 201 66 21 6
606(÷3-1)201(÷3-1)66(÷3-1)21(÷3-1)6(÷3-1)1
Directions (next six 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. x2 +8x+15=0
II y2+3y+2=0
I. 4x2+19x+22=0
II. 2y2+11y+15=0
I. 2x2-9x+9=0
II y2-7y+12=0
I 4x2-8x+3=0
II 4y2-15y+14=0
I 3x2-13x+14=
II 2y2-5y+3=0