Directions (1-5): What will come in place of (?) question mark in the following questions?
Q3. √9409-√1156=3339÷ ?
(a) 43
(b) 63
(c) 53
(d) 47
(e) 57
Q4. (320% of 825)÷ ?=48
(a) 55
(b) 45
(c) 65
(d) 58
(e) 75
Q5. 2/21 of 2268÷12+?=√3025
(a) 47
(b) 37
(c) 27
(d) 57
(e) 45
Direction (6–10): Solve the given quadratic equations and mark the correct option based on your answer.
(a) if x>y
(b) if x≥y
(c) if x<y
(d) if x ≤y
(e) if x = y or no relation can be established between x and y.
Q6. I. x² + 10x+16=0
II. y² +9y+20=0
Q7. I. x² – 14x + 45 =0
II. 3y² + 8y+4=0
Q8. I. x² +31x + 108 = 0
II. y² – 21y + 98 = 0
Q9. I. x² – 36x+99= 0
II. y² – 6y-7=0
Q10. I. x² –53x + 196 = 0
II. y² + 23y + 102 = 0
Solutions
. . . . . . . . . . .