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How many edges are there in a cuboid

There are 12 edges in a cuboid. A cuboid has 6 faces, 8 vertices, and 12 edges.... View Article

How many sides does a pentagon have

A pentagon has 5 sides. It has 5 angles.... View Article

Ordinate of all points on the x axis is

Let the coordinates of a point on the x-axis is (a, 0). Here the abscissa is a and the ordinate is 0. Hence the... View Article

Show that the following pairs are co prime 59,97

To show that the given numbers are co-prime, their HCF should be 1. The given numbers are: 59 and 97 The HCF of 59 is 1 The HCF of 97 is 1... View Article

John had Rs.500 Anna had Rs. 400 Peter has 700 who has the most??

Given: John had ₹500 Anna had ₹400 Peter has ₹700 Arranging the amount in ascending order, 700 > 500 > 400 Therefore, Peter has the... View Article

Prove that diagonals of a rectangle are equal in length

To prove: The diagonals of a rectangle are equal. Proof: Consider a rectangle ABCD in which let AC and BD be the diagonals. Then, there... View Article

Find the square root of 1471369 by long division method

The square root of 1471369 is 1213 by the long division method.... View Article

Find k so that the function f(x) is continuous at x = 0

The function f(x) = {1-cos 2x/2x<sup>2</sup> x ≠ 0 and f(x) = {k x = 0 is continuous at x = 0 &nbps; Solution: f(x) is... View Article

The lcm of two numbers is 1200 which of the following cannot be their hcf a)600 b)500 c)400 d)200

Option b)500... View Article

What will be the predecessor of 0?

The predecessor of 0 is -1... View Article

Find a pythagorean triplet whose one number is 15

Pythagorean Triplets are 8, 15 and 17... View Article

Find the roots of x2-3x-10=0

x²-3x-10=0 =x²-5x+2x-10=0 =x(x-5)+2(x-5)=0 =(x-5)(x+2)=0 x-5=0 or x+2=0 x=5 or x=-2 are the roots.... View Article

Factorise 8a³– b³-12a²b + 6ab²

Answer: The expression, 8a3 - b3 - 12a2b + 6ab2 can be written as (2a)3 - b3- 3(2a)2b + 3(2a)(b)2 8a3 - b3 - 12a2b - 6ab2 = (2a)3 - b3- 3(2a)2b... View Article