Lakshya Education MCQs

Question:  if a solid cylinder has a total surface area 462 sq. cm. & csa is 1/3rd of it so what is the volume of the cylinder?
Options:
A.527 cm²
B.531 cm²
C.535 cm²
D.539 cm²
Answer: Option D
Explanation :

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Question 1.  rain water falls flat rectangular surface length 6 m & breadth 4 m is transferred into a cylindrical vessel of internal radius 20 cm. what will height of water in cylindrical in fall 1cm(π = 3.14)
  1.    191 cm
  2.    192 cm
  3.    193 cm
  4.    194 cm
Answer: Option A
Explanation :
Question 2.  the rainfall recorded on a certain day was 5 cm. find the volume of water that fell on 2 hectare field.
  1.    100000 Lit
  2.    1000000 Lit
  3.    2000000 Lit
  4.    3000000 Lit
Answer: Option B
Explanation :
Question 3.  the rainfall recorded on a certain day was 5 cm. find the volume of water that fell on 2 hectare field.
  1.    100000 Lit
  2.    1000000 Lit
  3.    2000000 Lit
  4.    3000000 Lit
Answer: Option B
Explanation :
Question 4.  a flooring tile has a shape of a parallelogram whose base is 28 cm and the corresponding height is 20 cm . how many such tiles are required to cover a floor of a area 2800 cm²
  1.    20000 tiles
  2.    30000 tiles
  3.    40000 tiles
  4.    50000 tiles
Answer: Option D
Explanation :
Question 5.  the ratio between the length and the breadth of a rectangular playground is 3 : 2. if a jogger is running along the boundary of the ground at a speed of 12 km/hr is able to complete one round in 8 min
  1.    133600 m² 
  2.    143600 m² 
  3.    153600 m² 
  4.    163600 m² 
Answer: Option C
Explanation :
Question 6.  what will be the percentage increase in the area of a rectangle if each of its sides are increased by twenty percent?
  1.    34% 
  2.    44% 
  3.    54% 
  4.    64% 
Answer: Option B
Explanation :

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