Algebra Aptitude Questions & Formulas with answer


Ques 11 GATE 2013


Velocity of an object fired directly in upward direction is given by V=80-32t where t (time) is in seconds. When will the velocity be between 32 m/sec and 64 m/sec?

A

(1,3/2)

B

(1/2,1)

C

(1/2,3/2)

D

(1, 3)

(b) is the correct answer.

Ques 12 GATE 2013


If |-2X+9|=3 then the possible value of |-X|-X2 would be:

A

30

B

-30

C

-42

D

42

(c) is the correct answer.