Gate Exam

A political party orders an arch for the entrance to the ground in which the annual convention is being held. The profile of the arch follows the equation y = 2x - 0.1x^2 where y is the height of the arch in meters. The maximum possible height of the arch is
option
(A) 8 meters
(B) 10 meters
(C) 12 meters
(D) 14 meters

Read Solution (Total 2)

10 METERS
OPTION B
11 years agoHelpfull: Yes(0) No(0)

dy/dx = 2- 0.2x =0 => x=10, in maxima of curve
Ymax= 20- .1*100 =10
11 years agoHelpfull: Yes(0) No(0)

Gate Other Question

Wanted Temporary, Part -time persons for the post of Field Interviewer to conduct personal
interviews to collect and collate economic data. Requirements: High School-pass, must be
available for Day, Evening and Saturday work. Transportation paid, expenses reimbursed.

Which one of the following is the best inference from the above advertisement?
(A) Gender-discriminatory
(B) Xenophobic
(C) Not designed to make the post attractive
(D) Not gender-discriminatory An automobile plant contracted to buy shock absorbers from two suppliers X and Y. X supplies 60% and Y supplies 40% of the shock absorbers. All shock absorbers are subjected to a quality test. The ones that pass the quality test are considered reliable. Of X's shock absorbers, 96% are reliable. Of Y's shock absorbers, 72% are reliable. The probability that a randomly chosen shock absorber, which is found to be reliable, is made by Y is
option
(A) 0.288
(B) 0.334
(C) 0.667
(D) 0.720