Lakshya Education MCQs

Question:  the floor of building consists of 2000 tiles which are rhombus shaped and each of its diagonals are 40 cm and 25 cm in length. find the total cost of polishing the floor, if the cost per m² is $5.
Options:
A.$ 500
B.$ 300
C.$ 100
D.$ 50
Answer: Option A
Explanation :

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Question 1.  the length of the parallel sides of a trapezium are in the rat: 3 : 2 and the distance between them is 10 cm. if the area of trapezium is 325 cm², find the length of the parallel sides.
  1.    24 cm, 33 cm
  2.    26 cm, 39 cm
  3.    30 cm, 22 cm
  4.    27 cm, 21 cm
Answer: Option B
Explanation :
Question 2.  the floor of building consists of 2000 tiles which are rhombus shaped and each of its diagonals are 40 cm and 25 cm in length. find the total cost of polishing the floor, if the cost per m² is $5.
  1.    $ 500
  2.    $ 300
  3.    $ 100
  4.    $ 50
Answer: Option A
Explanation :
Question 3.  abcd is a trapezium in which ab ∥ cd, ad ⊥ dc, ab = 20 cm, bc = 13 cm and dc = 25 cm. find the area of the trapezium.
  1.    210 m²
  2.    240 m²
  3.    270 m²
  4.    310 m²
Answer: Option C
Explanation :
Question 4.  the length of the parallel sides of a trapezium are in the rat: 3 : 2 and the distance between them is 10 cm. if the area of trapezium is 325 cm², find the length of the parallel sides.
  1.    24 cm, 33 cm
  2.    26 cm, 39 cm
  3.    30 cm, 22 cm
  4.    27 cm, 21 cm
Answer: Option B
Explanation :
Question 5.  abcd is a trapezium in which ab ∥ cd, ad ⊥ dc, ab = 20 cm, bc = 13 cm and dc = 25 cm. find the area of the trapezium.
  1.    210 m²
  2.    240 m²
  3.    270 m²
  4.    310 m²
Answer: Option C
Explanation :
Question 6.  find the area of a trapezium whose parallel sides are ab = 12 cm, cd = 36 cm and the non-parallel sides are bc = 15 cm and ag = 15 cm.
  1.    216 cm²
  2.    218 cm²
  3.    220 cm²
  4.    224 cm²
Answer: Option A
Explanation :

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