Ask a Doubt
Request a call back

Join NOW to get access to exclusive study material for best results

CBSE Class 9 Answered

A teak wood log is cut first in the form of a cuboid of length 2.3 M width 0.75 M and of a certain thickness its volume is 1.104 metre cube how many rectangular planks of size 2 metre into 0.75 m into 0.04 m can be cut from the cuboid?
Asked by Faijan | 03 Jan, 2018, 07:24: PM
answered-by-expert Expert Answer
begin mathsize 16px style Let space the space thickness space of space the space wood space log space be space straight x space metres. volume equals 1.104 space straight m cubed rightwards double arrow 2 cross times 0.75 cross times straight x equals 1.104 rightwards double arrow straight x equals 0.64 space metre Since space the space length space and space breadth space of space rectangular space plank space are space same space as space that space of space the space cuboid comma Number space of space rectangular space planks equals fraction numerator Thickness space of space cuboid over denominator Thickness space of space each space plank end fraction equals fraction numerator 0.64 over denominator 0.04 end fraction equals 16 end style
Answered by Rashmi Khot | 04 Jan, 2018, 03:38: PM

Application Videos

Concept Videos

Multiple Choice Questions Practice Test Subjective Questions Webinar Subjective Questions Pre Board Assessment
Answered Unanswered My Questions My Answers
CBSE 9 - Maths
can you help me to answer 5question.
question image
Asked by swatipuspapatel | 11 Oct, 2020, 10:52: AM
ANSWERED BY EXPERT ANSWERED BY EXPERT
CBSE 9 - Maths
 The area of four walls of a room of height 5 m is 144 m2. If the total surface area of the room is 244 m2 then its length is
Asked by arajeevshashank | 29 Nov, 2019, 06:35: PM
ANSWERED BY EXPERT ANSWERED BY EXPERT
CBSE 9 - Maths
The surface area of a cuboid is 3328 m2. If its dimensions are in the ratio 4:3:2. Find the volume of cuboid.
Asked by Ravindar | 18 Jun, 2019, 06:44: PM
ANSWERED BY EXPERT ANSWERED BY EXPERT
CBSE 9 - Maths
Three cubes of metal whose edges are 2 cm, 3 cm and 4 cm are melted and a new cube is made. Find the volume of the new cube.
Asked by Topperlearning User | 23 Aug, 2017, 03:08: PM
ANSWERED BY EXPERT ANSWERED BY EXPERT
CBSE 9 - Maths
How many cubes of edge 1 cm can be made out of a cube having an edge of length 4 cm?
Asked by Topperlearning User | 23 Aug, 2017, 03:07: PM
ANSWERED BY EXPERT ANSWERED BY EXPERT
CBSE 9 - Maths
Find the volume of a cube whose total surface area is 1014 m2.
Asked by Topperlearning User | 23 Aug, 2017, 02:42: PM
ANSWERED BY EXPERT ANSWERED BY EXPERT
CBSE 9 - Maths
Find the height of the cuboidal tank with square base of area 169 m2, if it can hold 253500 litres of water.
Asked by Topperlearning User | 23 Aug, 2017, 02:41: PM
ANSWERED BY EXPERT ANSWERED BY EXPERT
CBSE 9 - Maths
How many bricks having dimensions 20 cm × 5 cm × 5 cm are required to make a wall 2.5 m long, 0.5 m broad and 5 m in height?        
Asked by Topperlearning User | 23 Aug, 2017, 03:06: PM
ANSWERED BY EXPERT ANSWERED BY EXPERT
CBSE 9 - Maths
A village has a tank measuring 15 m × 10 m × 5 m. For how many days will the water will last if there is a population of 2500 and each person requires 100 litres of water per day?
Asked by Topperlearning User | 23 Aug, 2017, 03:06: PM
ANSWERED BY EXPERT ANSWERED BY EXPERT
CBSE 9 - Maths
Find the cost of digging a cuboidal pit 6.5 m long, 5 m broad and 4 m deep at the rate of Rs. 20 per m3.
Asked by Topperlearning User | 23 Aug, 2017, 03:06: PM
ANSWERED BY EXPERT ANSWERED BY EXPERT
My Class Videos Tests ₹ Plans Ask a Doubt