Login
Remember
Register
Home
All Activity
Q&A
Questions
Hot!
Unanswered
Tags
Categories
Users
Ask a Question
User Arun
Wall
Recent activity
All questions
All answers
Ask a Question
Questions by Arun
0
votes
0
answers
asked
Jan 17, 2022
in
8th-maths
marks2
chapter11
#sub
0
votes
0
answers
asked
Jan 17, 2022
in
8th-maths
marks2
chapter11
#sub
0
votes
0
answers
A cube of side 5 cm is cut into as many 1 cm cubes as possible. What is the ratio of the surface area of the original cube to that of the sum of the surface areas of the smaller
asked
Jan 17, 2022
in
8th-maths
marks3
chapter11
#sub
0
votes
0
answers
Three cubes each of side 10 cm are joined end to end. Find the surface area of the resultant
asked
Jan 17, 2022
in
8th-maths
marks3
chapter11
#sub
0
votes
0
answers
Metallic discs of radius 0.75 cm and thickness 0.2 cm are melted to obtain 508.68 `cm^3` of metal. Find the number of discs melted (use π =
asked
Jan 17, 2022
in
8th-maths
marks3
chapter11
#sub
0
votes
0
answers
Factorise the following using the identity `a^2 – b^2 = (a + b) (a – b)`. `y^4 –
asked
Jan 17, 2022
in
8th-maths
marks3
chapter9
#sub
0
votes
0
answers
Perform the following divisions: `(x^3y^3 + x^2y^3 – xy^4 + xy) -:
asked
Jan 17, 2022
in
8th-maths
marks3
chapter9
#sub
0
votes
0
answers
The area of a rectangle is `x2 + 7x + 12`. If its breadth is (x + 3), then find its
asked
Jan 17, 2022
in
8th-maths
marks3
chapter9
#sub
0
votes
0
answers
The area of a circle is given by the expression `πx^2 + 6πx + 9π`. Find the radius of the
asked
Jan 17, 2022
in
8th-maths
marks3
chapter9
#sub
0
votes
0
answers
The sum of first n natural numbers is given by the expression `n^2/2+n/2`. Factorise this
asked
Jan 17, 2022
in
8th-maths
marks3
chapter9
#sub
0
votes
0
answers
If x – y = 13 and xy = 28, then find `x^2 +
asked
Jan 17, 2022
in
8th-maths
marks3
chapter9
#sub
0
votes
0
answers
Verify the following: `(a + b + c) (a^2 + b^2 + c^2 – ab – bc – ca) = a^3 + b^3+ c^3 –
asked
Jan 17, 2022
in
8th-maths
marks3
chapter9
#sub
0
votes
0
answers
Verify the following: `(p – q) (p^2 + pq + q^2) = p^3 –
asked
Jan 17, 2022
in
8th-maths
marks3
chapter9
#sub
0
votes
0
answers
`(–10) xx (–10) xx (–10) xx (–10) =
asked
Jan 17, 2022
in
8th-maths
marks1
chapter8
#tnf
0
votes
0
answers
In `2^n`, n is known
asked
Jan 17, 2022
in
8th-maths
marks1
chapter8
#mcq
0
votes
0
answers
The value of `(-2/3)^4` is equal
asked
Jan 17, 2022
in
8th-maths
marks1
chapter8
#mcq
0
votes
0
answers
For a non-zero rational number z, `(z^-2)^3` is equal
asked
Jan 17, 2022
in
8th-maths
marks1
chapter8
#mcq
0
votes
0
answers
Which of the following is not the reciprocal of `(2/3)^4`
asked
Jan 17, 2022
in
8th-maths
marks1
chapter8
#mcq
0
votes
0
answers
The multiplicative inverse of `10^10` is
asked
Jan 17, 2022
in
8th-maths
marks1
chapter8
#fib
0
votes
0
answers
`5^5 xx 5^(–5)` =
asked
Jan 17, 2022
in
8th-maths
marks1
chapter8
#fib
Page:
« prev
1
...
22
23
24
25
26
27
28
...
43
next »
Categories
All categories
Maths
(8.6k)
Science
(14)
Physics
(3.4k)