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#51 Help Me ! » Equation ????? » 2006-12-01 05:44:46

Dharshi
Replies: 4

How many words, with or without meanings, can be formed using all the letters of the word       EQUATION, using each letter exactly once?


I need help with this problem.


Can any onneeeeeeeeeeee help me??????;)

#52 Help Me ! » How to find this? » 2006-11-18 08:28:20

Dharshi
Replies: 1

sin (x+ delta x) - sin x = 2 cos ( x +(delta x)/2) sin (deltax/2)

#53 Help Me ! » Need help » 2006-11-17 09:47:05

Dharshi
Replies: 2

Find the equation of tangent to the parabola y^2 = 4x +5 which is parallel to the line y = 2x +7

How can we solve this without using differentiation?

#54 Help Me ! » Radii?? » 2006-11-03 04:53:18

Dharshi
Replies: 1

Suppose arcs of same length in two circles subtend angles of 60degees and 75degrees  at the center. Find the ratio of their radii.

#55 Help Me ! » What is the volume? » 2006-11-01 07:58:33

Dharshi
Replies: 2

Eight equal cubes of side 5cm each joined end to end.Find the volume and surface area of the resulting cuboid.

#56 Help Me ! » Tragedy!!! » 2006-10-31 09:15:04

Dharshi
Replies: 1

There are n-arithmetic means between 3 and 17 . The ratio of the last mean to the first mean is 3 : 1 . Find the value of n.

#57 Re: Help Me ! » How come??? » 2006-10-31 08:56:54

Yes.Thanks a lot.

Do we have any other method to solve it?

Any shortcut methods?

#58 Help Me ! » What is the age? » 2006-10-31 08:36:15

Dharshi
Replies: 1

Abya's age after six years will be three-seventh of his father's age . Ten years ago, the ratio of their ages  was 1 : 5. What is Abya's father's age at present?

#59 Re: Help Me ! » How come??? » 2006-10-31 08:32:07

Can you tell me how you got this answer?

#60 Help Me ! » How come??? » 2006-10-31 07:54:42

Dharshi
Replies: 5

How many  numbers are there between 100 and 1000  having atleast one of their digit as 7?

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