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Adrija Choudhuri
Subject: Maths
, asked on 30/3/18
what is the meaning of 2x L+B
Answer
1
Sanghmitra Vats
Subject: Maths
, asked on 15/3/18
Plz fast....very urgent
Answer
2
Rahul Singla
Subject: Maths
, asked on 11/3/18
Area of square,rectangle and triangle
Perimeter of square,rectangle and triangle
Answer
1
Sai Krishna Nayak
Subject: Maths
, asked on 11/3/18
Trace shapes of leaves,flower petals and other such objects on the graph paper and find their areas.
Answer
1
Sai Krishna Nayak
Subject: Maths
, asked on 10/3/18
1.Find the area of the floor of your classroom.
2.Find the area of any one door in your house.
Answer
1
D E V V R A T
Subject: Maths
, asked on 4/3/18
Area of a square box of side 50cm is equal to the area of a rectangular box of length
30cm. Find the breadth of the rectangle.
Answer
4
Aryan
Subject: Maths
, asked on 19/2/18
answer this question please
Q. The height of box is h m. Its length is 5 times height and breadth is 10 m less than height. Find length and breadth of box.
Answer
1
Madhav Badaya
Subject: Maths
, asked on 10/2/18
the radius and height of right circular cylinder is increased by 20 find increase in volume
Answer
1
Chirag Menon
Subject: Maths
, asked on 30/1/18
On the occasion of Republic Day, a school organised a competition for the students. Each child was given a square sheet of side 60 cm. They had to make a border of width 2 cm using the coloured tape and the remaining portion had to be divided into four equal portions to show different religions. Find the length of the coloured tape needed for the border. What will be the side of the square into which the sheet has been divided?
Answer
4
Abhishek
Subject: Maths
, asked on 30/1/18
Please solve this question again and kindly explain how the denominator get reduced
$\mathrm{Q}5\phantom{\rule{0ex}{0ex}}\mathrm{If}\frac{1}{\mathrm{a}+\mathrm{b}},\frac{1}{\mathrm{b}+\mathrm{c}}\mathrm{and}\frac{1}{\mathrm{c}+\mathrm{a}}\mathrm{are}\mathrm{in}\mathrm{A}.\mathrm{P}.,\mathrm{then}\mathrm{which}\mathrm{of}\mathrm{the}\mathrm{following}\mathrm{relations}\mathrm{is}\mathrm{correct}?\phantom{\rule{0ex}{0ex}}\left(\mathrm{A}\right)2{\mathrm{b}}^{2}={\mathrm{a}}^{2}+{\mathrm{c}}^{2}\phantom{\rule{0ex}{0ex}}\left(\mathrm{B}\right)2{\mathrm{a}}^{2}={\mathrm{b}}^{2}+{\mathrm{c}}^{2}\phantom{\rule{0ex}{0ex}}\left(\mathrm{C}\right){\mathrm{a}}^{2}+{\mathrm{b}}^{2}+{\mathrm{c}}^{2}=0\phantom{\rule{0ex}{0ex}}\left(\mathrm{D}\right)2{\mathrm{c}}^{2}={\mathrm{a}}^{2}+{\mathrm{b}}^{2}\phantom{\rule{0ex}{0ex}}\mathrm{Solution}\phantom{\rule{0ex}{0ex}}\mathrm{It}\mathrm{is}\mathrm{given}\mathrm{that}\frac{1}{\mathrm{a}+\mathrm{b}},\frac{1}{\mathrm{b}+\mathrm{c}}\mathrm{and}\frac{1}{\mathrm{c}+\mathrm{a}}\mathrm{are}\mathrm{in}\mathrm{A}.\mathrm{P}\phantom{\rule{0ex}{0ex}}\therefore \frac{1}{\mathrm{b}+\mathrm{c}}-\frac{1}{\mathrm{a}+\mathrm{b}}=\frac{1}{\mathrm{c}+\mathrm{a}}-\frac{1}{\mathrm{b}+\mathrm{c}}\phantom{\rule{0ex}{0ex}}\Rightarrow \frac{\left(\mathrm{a}+\mathrm{b}\right)-(\mathrm{b}+\mathrm{c})}{(\mathrm{b}+\mathrm{c})(\mathrm{a}+\mathrm{b})}=\frac{\left(\mathrm{b}+\mathrm{c}\right)-(\mathrm{c}+\mathrm{a})}{(\mathrm{c}+\mathrm{a})(\mathrm{b}+\mathrm{c})}\phantom{\rule{0ex}{0ex}}\Rightarrow \frac{\mathrm{a}-\mathrm{c}}{\mathrm{a}+\mathrm{b}}=\frac{\mathrm{b}-\mathrm{a}}{\mathrm{c}+\mathrm{a}}\phantom{\rule{0ex}{0ex}}\Rightarrow \left(\mathrm{a}-\mathrm{c}\right)\left(\mathrm{a}+\mathrm{c}\right)=\left(\mathrm{b}+\mathrm{a}\right)\left(\mathrm{b}-\mathrm{a}\right)\phantom{\rule{0ex}{0ex}}\Rightarrow {\mathrm{a}}^{2}-{\mathrm{c}}^{2}={\mathrm{b}}^{2}-{\mathrm{a}}^{2}\phantom{\rule{0ex}{0ex}}\Rightarrow 2{\mathrm{a}}^{2}={\mathrm{b}}^{2}+{\mathrm{c}}^{2}$
Answer
5
Utkersh Trehan
Subject: Maths
, asked on 29/1/18
Answer of part. L,M,N
Answer
5
Toshani Puri
Subject: Maths
, asked on 23/1/18
Asquare shaped park ABCD of side 100m has two equal rectangular flower beds each of size 10?5 . what is the length of the boundary of the remaining park?
Answer
3
Daksha Sah
Subject: Maths
, asked on 11/1/18
The speed of a train is 25m/sec.It takes 40sec to cross a platform of 700 m.What is the length of train.
Answer
3
Sangam Chaurasia
Subject: Maths
, asked on 10/1/18
Ql.Find the area and perimeter Of a rectangle which is 2 m long and I m 70 cm Wide.
Q2.A cloth is 7 m long and 5 m wide five squares of side 2 m are printed on the cloth.Find the area of the cloth that is not printed.
Q3. If the width of the rectangle is 4 m and the area is 64 sq m. Find the length Of the rectangular field.
Q4. The perimeter of a square is 60 cm.Find its area.
Q5.Mohit has a piece of wire of 84cm.What will be the length of each side if he wishes to form a hexagon?
Q6.Find the area of a square sheet of side 31 cm. Find the cost of painting the sheet at the cost of Rs 5 per sq cm.
Q7.The perimeter of a triangle is 36 cm.lts measure of 2 sides is l4 cm and 16 cm.Find the third side.
Answer
2
Divyansh Giri
Subject: Maths
, asked on 4/1/18
Please Answer.
$Whatisthe\mathrm{cos}tofbillingarec\mathrm{tan}gularplotofland500mlongand200mwide\phantom{\rule{0ex}{0ex}}attherateofRs100perhundredsquaremeter?$
Answer
1
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What are you looking for?

Perimeter of square,rectangle and triangle

2.Find the area of any one door in your house.

30cm. Find the breadth of the rectangle.

Q. The height of box is h m. Its length is 5 times height and breadth is 10 m less than height. Find length and breadth of box.

$\mathrm{Q}5\phantom{\rule{0ex}{0ex}}\mathrm{If}\frac{1}{\mathrm{a}+\mathrm{b}},\frac{1}{\mathrm{b}+\mathrm{c}}\mathrm{and}\frac{1}{\mathrm{c}+\mathrm{a}}\mathrm{are}\mathrm{in}\mathrm{A}.\mathrm{P}.,\mathrm{then}\mathrm{which}\mathrm{of}\mathrm{the}\mathrm{following}\mathrm{relations}\mathrm{is}\mathrm{correct}?\phantom{\rule{0ex}{0ex}}\left(\mathrm{A}\right)2{\mathrm{b}}^{2}={\mathrm{a}}^{2}+{\mathrm{c}}^{2}\phantom{\rule{0ex}{0ex}}\left(\mathrm{B}\right)2{\mathrm{a}}^{2}={\mathrm{b}}^{2}+{\mathrm{c}}^{2}\phantom{\rule{0ex}{0ex}}\left(\mathrm{C}\right){\mathrm{a}}^{2}+{\mathrm{b}}^{2}+{\mathrm{c}}^{2}=0\phantom{\rule{0ex}{0ex}}\left(\mathrm{D}\right)2{\mathrm{c}}^{2}={\mathrm{a}}^{2}+{\mathrm{b}}^{2}\phantom{\rule{0ex}{0ex}}\mathrm{Solution}\phantom{\rule{0ex}{0ex}}\mathrm{It}\mathrm{is}\mathrm{given}\mathrm{that}\frac{1}{\mathrm{a}+\mathrm{b}},\frac{1}{\mathrm{b}+\mathrm{c}}\mathrm{and}\frac{1}{\mathrm{c}+\mathrm{a}}\mathrm{are}\mathrm{in}\mathrm{A}.\mathrm{P}\phantom{\rule{0ex}{0ex}}\therefore \frac{1}{\mathrm{b}+\mathrm{c}}-\frac{1}{\mathrm{a}+\mathrm{b}}=\frac{1}{\mathrm{c}+\mathrm{a}}-\frac{1}{\mathrm{b}+\mathrm{c}}\phantom{\rule{0ex}{0ex}}\Rightarrow \frac{\left(\mathrm{a}+\mathrm{b}\right)-(\mathrm{b}+\mathrm{c})}{(\mathrm{b}+\mathrm{c})(\mathrm{a}+\mathrm{b})}=\frac{\left(\mathrm{b}+\mathrm{c}\right)-(\mathrm{c}+\mathrm{a})}{(\mathrm{c}+\mathrm{a})(\mathrm{b}+\mathrm{c})}\phantom{\rule{0ex}{0ex}}\Rightarrow \frac{\mathrm{a}-\mathrm{c}}{\mathrm{a}+\mathrm{b}}=\frac{\mathrm{b}-\mathrm{a}}{\mathrm{c}+\mathrm{a}}\phantom{\rule{0ex}{0ex}}\Rightarrow \left(\mathrm{a}-\mathrm{c}\right)\left(\mathrm{a}+\mathrm{c}\right)=\left(\mathrm{b}+\mathrm{a}\right)\left(\mathrm{b}-\mathrm{a}\right)\phantom{\rule{0ex}{0ex}}\Rightarrow {\mathrm{a}}^{2}-{\mathrm{c}}^{2}={\mathrm{b}}^{2}-{\mathrm{a}}^{2}\phantom{\rule{0ex}{0ex}}\Rightarrow 2{\mathrm{a}}^{2}={\mathrm{b}}^{2}+{\mathrm{c}}^{2}$

Q2.A cloth is 7 m long and 5 m wide five squares of side 2 m are printed on the cloth.Find the area of the cloth that is not printed.

Q3. If the width of the rectangle is 4 m and the area is 64 sq m. Find the length Of the rectangular field.

Q4. The perimeter of a square is 60 cm.Find its area.

Q5.Mohit has a piece of wire of 84cm.What will be the length of each side if he wishes to form a hexagon?

Q6.Find the area of a square sheet of side 31 cm. Find the cost of painting the sheet at the cost of Rs 5 per sq cm.

Q7.The perimeter of a triangle is 36 cm.lts measure of 2 sides is l4 cm and 16 cm.Find the third side.

$Whatisthe\mathrm{cos}tofbillingarec\mathrm{tan}gularplotofland500mlongand200mwide\phantom{\rule{0ex}{0ex}}attherateofRs100perhundredsquaremeter?$