Lakshya Education MCQs

Question: How many squares with side $$\frac{1}{2}$$ inch long are needed to cover a rectangle that is 4 feet long and 6 feet wide ?
Options:
A.24
B.96
C.3456
D.13824
E.12466
Answer: Option D

Submit Answer & Explaination

Earn Reward Points by submitting Detailed Explaination for this Question

More Questions on This Topic :

Question 1. If a square of area $$\frac{\text{A}}{2}$$ is cut off from a given square of area A, then the ratio of diagonal of the cut off square to that of the given square is :
  1.    1 : 5
  2.    1 : $$2\sqrt 5 $$
  3.    1 : $$\sqrt 5 $$
  4.    1 : $$\sqrt 2 $$
Answer: Option D
Question 2. The length of a room is double its breadth. The cost of colouring the ceiling at Rs. 25 per sq. meter is Rs. 5000 and the cost of painting the four walls at Rs. 240 per sq. metre is Rs. 64800. Find the height of the room :
  1.    3.5 m
  2.    4 m
  3.    4.5 m
  4.    5 m
Answer: Option C
Question 3. The sides of a triangle are in ratio of $$\frac{1}{2}:\frac{1}{3}:\frac{1}{4}$$  . If the perimeter is 52 cm, then the length of the smallest side is :
  1.    9 cm
  2.    10 cm
  3.    11 cm
  4.    12 cm
Answer: Option D
Question 4. The breadth of a rectangular field is $$\frac{3}{4}$$ of its length and its area is 300 sq. metres. What will be the area (in sq. metres) of the garden of breath 1.5 metres developed around the field ?
  1.    96 m2
  2.    105 m2
  3.    114 m2
  4.    Cannot be determined
  5.    None of these
Answer: Option C
Question 5. The diagonal of a rectangle is $$\sqrt {41} $$ cm and its area is 20 sq. cm. The perimeter of the rectangle must be :
  1.    9 cm
  2.    18 cm
  3.    20 cm
  4.    41 cm
Answer: Option B
Question 6. What would be the area of a rectangle whose area is equal to the area of a circle of radius 7 cm ?
  1.    77 cm2
  2.    154 cm2
  3.    184 cm2
  4.    180 cm2
Answer: Option B

Check all Questions in this Topic : Click HERE