One man want to build a wall .The length and breadth of the wall are 20 and 30 respectively. He need 35
bricks for one square centimeter then how many bricks he need?
a)21,500 b)30,000 c)21,000 d)20,000

• area of a wall= 20*30=600
  no. of brick= 35*6000=21,000
  c is the answer
• 8 years agoHelpfull: Yes(6) No(1)
• ans-c)21,000
  area of wall = 20*30=600 sq cm
  now 1 sq cm=35 bricks
  then 600 sq cm=600*35=21000 bricks
  
• 8 years agoHelpfull: Yes(3) No(0)
• length of the wall=20
  breadth of the wall=30
  area of the wall= 20 * 30=600 sq. cm
  1 sq.cm=35 bricks
  600 sq.cm=600 *35=21000 bricks
  ans:- c)
  
• 8 years agoHelpfull: Yes(1) No(0)
• Area of wall=(lxb)=20x30=600sqcm
  1sqcm need 35 bricks,so
  600sqcm=35x600=21000
  
• 8 years agoHelpfull: Yes(0) No(0)
• c) 21000
  area of wall is 600 sq cm
  and 35 bricks in 1 cm
  hence no of bricks 35*600=21000
• 8 years agoHelpfull: Yes(0) No(0)
• Given dimensions are 20 & 30 considering units in centimeter.
  Area of wall= 20*30= 600
  since 35 bricks needed for 1 sq cm.
  so bricks require for wall will be 35*600=21000
  
  so ans is (c)
• 8 years agoHelpfull: Yes(0) No(0)
• No of bricks=area of wall*35= =20*30*35=21000
  
• 8 years agoHelpfull: Yes(0) No(0)
• area=20*30=600
  total bricks required=600*35=21000
• 8 years agoHelpfull: Yes(0) No(0)