# 2018 JEE Maths Solved paper - PowerPoint PPT Presentation

View by Category
Title:

## 2018 JEE Maths Solved paper

Description:

### Download JEE Mains 2018 Solve Maths paper and get Prepare for your Exam. Check Previous Year Paper for all JEE Mains Subject such as Chemistry, Physics, Maths free. – PowerPoint PPT presentation

Number of Views:7
Slides: 9
Provided by: Neet2018
Transcript and Presenter's Notes

Title: 2018 JEE Maths Solved paper

1
www.zigya.com
Previous Year Paper Mathematics - 2018
2
Mathematics JEE 2018
Exam Year 2018
Study, Assignments, Solved Previous Year Papers .
• Multiple Choice Questions
• For each t ?R, let t be the greatest integer
less than or equal to t. Then limx?0
x1x2x......15x
• does not exist (in R) is equal to 0
• is equal to 15 is equal to 120
• If the tangent at (1, 7) to the curve x2 y 6
touches the circle x2 y2 16x 12y c 0
then the value of c is
• 95
• 195
• 185
• 85
• If a, ß ? C are the distinct roots, of the
equation x2 -x 1 0, then a101 ß107 is equal
to 2
• -1
• 1

Print - Your Favourite Questions. Join
www.zigya.com
3
Mathematics JEE 2018
Exam Year 2018
Study, Assignments, Solved Previous Year Papers .
• 1
• Tangents are drawn to the hyperbola 4x2 y2 36
at the points P and Q. If these tangents
intersect at the point T(0, 3) then the area (in
sq. units) of ?PTQ is
• 365
• 455
• 543
• 603
• From 6 di?erent novels and 3 di?erent
dictionaries, 4 novels and 1 dictionary are to be
selected and arranged in a row on a shelf so
that the dictionary is always in the middle. The
number of such arrangements is
• At least 750 but less than 1000 At least 1000
• Less then 500
• At least 500 but less than 750 Answer
• Two sets A and B are as under
• A (a-b)? RxRa-5lt1 and b-5lt1
• B (a,b)? Rx R 4(a-6)2 9 (b-5)2 36,then
• Neither A ? B nor B ? A B ? A
• A ? B
• A n B ? (an empty set) Answer

Print - Your Favourite Questions. Join
www.zigya.com
4
Mathematics JEE 2018
Exam Year 2018
Study, Assignments, Solved Previous Year Papers .
• The Boolean expression (p v q )v (-p ?q ) is
equivalent to
• q
• p p
• A straight line through a ?xed point (2, 3)
intersects the coordinate axes at distinct points
P and Q. If O is the origin and the rectangle
OPRQ is completed, then the locus of R is
• 3x 2y 6xy 3x 2y 6
• 2x 3y xy 3x 2y xy
• Let A be the sum of the ?rst 20 terms and B be
the sum of the ?rst 40 terms of the series 12
2.22 32 2.42 52 2.62 .....
• If B 2A 100?, then ?is equal to 496
• 232
• 248
• 464
• Let a1, a2, a3, ...., a49 be in A.P. such
• that ?k 012ak-1 416 and a9 a43 66. if a12
a22 ....... a172 140m then m is equal to
33
• 66
• 68

Print - Your Favourite Questions. Join
www.zigya.com
5
Mathematics JEE 2018
Exam Year 2018
Study, Assignments, Solved Previous Year Papers .
• -22
• 15. If ?i19 (xi -5) 9 and ?i 19(xi - 5)2
45 then the standard deviation of the 9 items
x1, x2, ...., x9 is
• 3
• 9
• 4
• 2
• If the system of linear equations x ky 3z
0
• 3x ky 2z 0 2x 4y 3z 0
• has a non-zero solution (x,y,z), then xz/y2 is
equal to 30
• -10
• 10
• -30
• If x-42x2x2xx-42x2x2xx-4 (A Bx)(x-A)2, then
the ordered pair (A,B) is equal to (4,5)
• (-4,-5)
• (-4,3)
• (-4,5)

Print - Your Favourite Questions. Join
www.zigya.com
6
Mathematics JEE 2018
Exam Year 2018
Study, Assignments, Solved Previous Year Papers .
• -49p2
• 493p2
• -893p2
• -89p2
• 20. Let S x ? R x 0 and 2x-3 x(x-6)
6 0 Then S Contains exactly four elements
• Is an empty set
• Contains exactly one element Contains exactly
two elements
• If the curves y2 6x, 9x2 by2 16 intersect
each other at right angles, then the value of b
is 9/2
• 6
• 7/2
• 4
• Let u? be a vector coplanar with the vectors a a?
2i 3j -
• k and b? j k. if u? is perpendicular to a?
and u?.b? 24, then u? is equal to 84
• 336
• 315
• 256

Print - Your Favourite Questions. Join
www.zigya.com
7
Mathematics JEE 2018
Exam Year 2018
Study, Assignments, Solved Previous Year Papers .
• p/4
• p/8 p/2 4p
• Let g(x) cos x2, f(x) x and a, ß (a lt ß) be
the roots of the quadrtic equation 18x2 - 9px
p2 0. Then the area (in sq. units) bounded by
the curve y (gof)(x) and the lines x a, x ß
and y 0 is
• 12(2-1)
• 12(3-1)
• 12(31)
• 12(3-2)
• If sum of all the solutions of the equation 8 cos
x. cos p6x.cosp6-x-12 1 in 0,p is kp, then k
is equal to 20/9
• 2/3
• 13/9
• 8/9
• The Integral?sin2 x cos2 x (sin5 x cos3 x sin2
x sin3 x cos2 x cos 5x)2dx is equal to
(where C is a constant of integration)
• -11 cot3 x C 13(1 tan3 x) C
• -13(1 tan3 x ) C
• 11 cot3 x C Answer
• A bag contains 4 red and 6 black balls. A ball is
drawn at random from the bag, its colour is
observed and this ball along with two additional
balls of the same colour are returned to the bag.
If now a ball is drawn at random from the bag,
then the probability that this drawn ball is red,
is

Print - Your Favourite Questions. Join
www.zigya.com
8
Mathematics JEE 2018
Exam Year 2018
Study, Assignments, Solved Previous Year Papers .