Jharkhand Polytechnic Entrance Exam 2019 Paper – Mathematics

Jharkhand Polytechnic Entrance Exam 2019 Paper – Mathematics

If a, b, c are in AP and (a+b)/2=x, (b+c)/2=y then the value of (x+y) is
(a) 2a
(b) 2b
(c) 2 (a+b)
(d) 2 (b+c)

Four coins are tossed. The chance of getting none of the face as head is
(a) 1/16
(b) 1/8
(c) 1/6
(d) 3/4

A cube of side 4 cm cut into small cubes of each side 1 cm. The ratio of the surface area of all smaller cubes to that of large one is
(a) 1:2
(b) 1:4
(c) 4:1
(d) 2:1

A 20 m deep well with diameter 7 m is dug and the earth from digging is spread evenly to form a platform of 22mx14m. The height of the platform so formed is
(a) 2.5 m
(b) 3.5 m
(c) 5.0 m
(d) 7.0 m

The median of the observations 46,64,87,41,58,77,35,90,55,92,33 after replacing 92 by 99 and 41 by 43 is
(a) 55
(b) 58
(c) 64
(d) 43

If a line 3x-ky=5 passes through (3,2), then the value of ‘k’ is
(a) 4
(b) 3
(c) 2
(d) 1

The sum of the numerator and the denominator of a fraction is equal to 7. Four times the numerator is 8 less than 5 times of denominator. Then the fraction is
(a) 2/5
(b) 1/6
(c) 5/2
(d) 3/4

Every person in a room shake hands with every other person. The total number of handshakes is 45. The number of persons in the room is
(a) 5
(b) 10
(c) 15
(d) 20

The area of a triangle formed by the points (a, b+c), (b, c+a), (c, a+b) is
(a) (a+b+c)/2
(b) abc/2
(c) 1
(d) 0

The quadrilateral obtained by joining the points (1,1), (-1,5), (7,9) and (9,5) is
(a) Square
(b) Rhombus
(c) Rectangle
(d) Rarallelogram