Mining Engineering Gate 2018 Questions with Answer

Ques 1 GATE 2018

If pqr≠0 and p^-x=1/q, q^-y=1/r, r^-z=1/p what is the value of the product xyz?

Ques 2 GATE 2018

A six sided unbiased die with four green faces and two red faces is rolled seven times. Which of the following combinations is the most likely outcome of the experiment?

Ques 3 GATE 2018

If

A

B

C

D

Ques 4 GATE 2018

The values of x satisfying the following condition are

Ques 5 GATE 2018

The degree of the differential equation d²x/dt²+2x³=0 is

Ques 6 GATE 2018

The slope of the line connecting the points (20, 6) and (40, 8) is _________.

Ques 7 GATE 2018

If c is a constant, the solution of the differential equation 4y dy/dx+9x=0 is

Ques 8 GATE 2018

The feasible region of a linear programming problem is shown in the figure. The maximum value of the objective function Z=4X+3Y is ______________.

Ques 9 GATE 2018

Sum of the series 5, 10, 15, 500, .............. is _____________.

Ques 10 GATE 2018

The sample standard deviation for the following set of observations is ____________. 40, 45, 50 and 55

Ques 11 GATE 2018

For the given function f(x,y)=(3+x)(4+y), the value of ∂f/∂x+∂f/∂y at x=2 and y=1 is ______________.

Ques 12 GATE 2018

Given y=x²+x+6 the value of d/dx(ln y) at x=2 is _____________.

Ques 13 GATE 2018

A force diagram is shown below. Considering clockwise moments to be positive, the resultant moment about A is ____________.