Let a , b , c and d be four real numbers satisfying the system of equations a + b = 8 , ab + c + d = 23 , ad + bc = 28 and cd = 12 . Now match the following Column – I Column – II A) a + b + c + d equals p) 15 B) ab + cd equals q) 16 C) ac + bd equals r) 27 D) ab equals s) 28

Correct Answer is : a - p , q ; b - r , s ; c - s ; d - p , q

a - p , q ; b - r , s ; c - s ; d - p , q

a - p , q ; b - r ; c - s ; d - p , q

a - p ; b - r , s ; c - s ; d - q

JEE Advanced Model Paper 9 with solutions for online practice

Question : 37 of 57

Marks: +1, -0

Let a , b , c and d be four real numbers satisfying the system of equations a + b = 8 , ab + c + d = 23 , ad + bc = 28 and cd = 12 . Now match the following

Column – I	Column – II
A) a + b + c + d equals	p) 15
B) ab + cd equals	q) 16
C) ac + bd equals	r) 27
D) ab equals	s) 28

a - p , q ; b - r , s ; c - s ; d - p , q
a - p , q ; b - r ; c - s ; d - p , q
a - p ; b - r ; c - s ; d - p
a - p ; b - r , s ; c - s ; d - q

Validate

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