Workshop Calculation & Science (Semester-IV) MCQs
- CP = Rs.10,800, profit = 10%, SP =
a) 11,880
b) 13,200
c) 12,000
d) 10,000
Answer: a) 11,880 - Manufacturer 10%, wholesaler 15%, retailer 25%, retail price Rs.1265 → cost price =
a) 725
b) 800
c) 965
d) 1012
Answer: b) 800 - CI: 15320 → 30640 in 6 years, rate =
a) 12%
b) 13%
c) 11%
d) 14%
Answer: b) 13% - SI problem → amount Rs.3584 in 219 days @4%, principal =
a) 3400
b) 3260
c) 3150
d) 3500
Answer: b) 3260 - Cost of wiring (circular stadium):
a) 13240
b) 10780
c) 12560
d) 11333
Answer: b) 10780 - Points (-5,2) and (2,-5) lie in:
a) Same quadrant
b) II & III
c) II & IV
d) IV & II
Answer: c) II & IV - A(1,0), B(3,0), C(3,4), D(1,4) form:
a) Square
b) Rectangle
c) Trapezium
d) Rhombus
Answer: b) Rectangle - From P(-6,2), perpendiculars to axes → points:
a) (-6,0),(0,2)
b) (-6,0),(2,0)
c) (0,-6),(0,2)
d) (0,-6),(2,0)
Answer: a) (-6,0),(0,2) - Bucket frustum capacity:
a) 60.52 L
b) 48.51 L
c) 43.67 L
d) 39.61 L
Answer: b) 48.51 L - Frustum volume:
a) 98.32
b) 88.71
c) 79.50
d) 67.23
Answer: c) 79.50 - Frustum height:
a) 467.57 mm
b) 501.30 mm
c) 483.50 mm
d) 439.72 mm
Answer: d) 439.72 mm - Base-8 system:
a) Octal
b) Hexadecimal
c) Binary
d) Decimal
Answer: a) Octal - Binary 10111 =
a) 23
b) 24
c) 31
d) 20
Answer: a) 23 - Decimal 18 in binary:
a) 1110
b) 1000
c) 10010
d) 10011
Answer: c) 10010 - Binary 101001 =
a) 29
b) 37
c) 41
d) 44
Answer: c) 41 - Hex 16 = decimal:
a) 61
b) 22
c) 29
d) 34
Answer: b) 22 - Binary 11100 in hex:
a) 1F
b) 1C
c) 19
d) 16
Answer: b) 1C - Alphanumeric system =
a) Octal
b) Binary
c) BCD
d) Hexadecimal
Answer: d) Hexadecimal - Inclined plane angle (max):
a) 36.9°
b) 41.4°
c) 53.1°
d) 48.6°
Answer: c) 53.1° - Resultant gravitational force acts at:
a) Boundary
b) Geometrical center
c) Center of mass
d) Center of gravity
Answer: d) Center of gravity - Toy travels farthest on:
a) Mud
b) Cement
c) Marble
d) Brick
Answer: c) Marble - Not affecting fluid friction:
a) Speed
b) Shape
c) Nature
d) Color
Answer: d) Color - Triangle law of forces:
a) 3 forces equilibrium
b) Represent triangle
c) Forces in order → equilibrium
d) Sin rule
Answer: c) - C.G. of hollow cone:
a) h/4
b) h/3
c) h/2
d) 3h/8
Answer: b) h/3 - Incorrect statement:
a) Circle CG center
b) Triangle medians
c) Rectangle diagonals
d) Semi-circle r/2
Answer: d)