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Quardratic Equation Practice Set 1 (IBPS RRB Officer Scale 1 & 2 Exam 2015 )

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Quardratic Equation Practice Set 1 (IBPS RRB Officer Scale 1 & 2 Exam 2015 )

Directions : (Questions 01 – 05 ) : Find Relationship in Given Variables x and y  Questions . Solve Relationship between  Variable x and Variable y , Relationships Are Below .
A) If x > y
B) If x < y
C) If x ≥ y
D) If x ≤ y
E) If x = y or Doesn’t Exist

Questions 1 ) :   I.    2x2 + 11x + 15= 0
                         II.   5y2 + 22y + 24= 0
A) If x > y
B) If x < y
C) If x ≥ y
D) If x ≤ y
E) If x = y or Doesn’t Exist

Questions 2 ) :   I.    25x2 + 25x + 4= 0
                         II.   5y2 + 11y + 6= 0
A) If x > y
B) If x < y
C) If x ≥ y
D) If x ≤ y
E) If x = y or Doesn’t Exist

Questions 3 ) :   I.    2x2 + x – 1 = 0
                         II.   2y2 + y – 6= 0
A) If x > y
B) If x < y
C) If x ≥ y
D) If x ≤ y
E) If x = y or Doesn’t Exist

Questions 4 ) :   I.    x2 – 10x + 21= 0
                         II.   y2 – 16y + 63= 0
A) If x > y
B) If x < y
C) If x ≥ y
D) If x ≤ y
E) If x = y or Doesn’t Exist

Questions 5 ) :   I.    6x2 + 17x + 12= 0
                         II.   6y2 + 21y + 9= 0
A) If x > y
B) If x < y
C) If x ≤ y
D) If x ≥ y
E) If x = y or Doesn’t Exist

Answer : 

Question 1 =  A
Question 2 =  B
Question 3 =  E
Question 4 =  C
Question 5 =  E

Solutions :  

Question 1 :
x = 6, 5
y = 12 , 10
Put All Value on single line, Then check Relation Bewteen Variables x and y

Question 2 :
x = 20,5
y = 5 , 6
Put All Value on single line, Then check Relation Bewteen Variables x and y

Question 3 :
x = 2 , -1
y = 4, -3
Put All Value on single line, Then check Relation Bewteen Variables x and y

Question 4 :
x = -7 ,  -3
y = -9 , -7
Put All Value on single line, Then check Relation Bewteen Variables x and y

Question 5 :
x = 9 , 8
y = 18 , 3
Put All Value on single line, Then check Relation Bewteen Variables x and y

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