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If z2 + 4y2 = 4zy, then z : y is :

a. 2 : 1
b. 1 : 2
c. 1 : 1
d. 1 : 4

Read Solution (Total 2)

Answer is 1:4,as the coefficient of z is 1 and coefficient of y is 4,which is option d.
8 years agoHelpfull: Yes(0) No(0)

option A
(z/y)+(4y/z)=4
by verification
6 years agoHelpfull: Yes(0) No(0)

GENPACT Other Question

If it takes 10 days to dig a trench 100 m long, 50 m broad and 10 m deep, what length of trench, 25 m broad and 15 m deep can be dug in 30 days ?

a. 400 m
b. 200 m
c. 100 m
d. 88(8 / 9) m On a Rs 10000 payment order, a person has a choice between 3 successive discounts of 10%, 10% and 30% and 3 successive discounts of 40%, 5% and 5%. By choosing the better offer, he can save :

a. Rs 200
b. Rs 255
c. Rs 400
d. Rs 433