## Search found 32 matches

#### co-ordinate geometry.

##### co-ordinate geometry.

In the xy-plane , the line K pass through the origin and through the point (a,b)where ab (not equal 0)Is b positive .

1)The slope of line k is negative .

2)a<b .

by Md.Nazrul Islam

Fri Apr 20, 2012 8:16 pm
Forum: Problem Solving
Topic: co-ordinate geometry.
Replies: 1
Views: 694

#### GMAT PREP SC question

###### Sentence Correction

I think answer is B. correct me if i am wrong .

by Md.Nazrul Islam

Fri Apr 20, 2012 8:01 pm
Forum: Sentence Correction
Topic: GMAT PREP SC question
Replies: 5
Views: 1031

#### permutation.

##### permutation.

How many triangles can be formed so that the length of the sides are three consecutive odd integer and perimeter less than 1000.

by Md.Nazrul Islam

Fri Apr 20, 2012 7:42 pm
Forum: Problem Solving
Topic: permutation.
Replies: 1
Views: 654

#### probability.

##### probability.

If the probability is 0.54 that stock A will increase in value during the next month and the probability is 0.68 that B stock will increase in value during the next month .what is the greatest possible value that neither of these two events will occur ?

by Md.Nazrul Islam

Thu Apr 12, 2012 5:34 am
Forum: Problem Solving
Topic: probability.
Replies: 16
Views: 8715

#### probability.

##### probability.

what is the probability that event E or event F or both will occur .

1)The probability that event E will occur is 0.6

2)The probability that event F will occur is 0.4

by Md.Nazrul Islam

Thu Apr 12, 2012 5:22 am
Forum: Problem Solving
Topic: probability.
Replies: 2
Views: 2004

#### probability .

##### probability .

one single person and two couple are to be seated at random in a of raw five chairs ,what is the probability that neither of the couples sits together in adjacent chairs .

by Md.Nazrul Islam

Sun Apr 08, 2012 7:58 pm
Forum: Problem Solving
Topic: probability .
Replies: 3
Views: 913

#### co-ordinate geometry.

##### co-ordinate geometry.

In a co-ordinate system , if three points (5,3)(x,y) and (3,2)lie on a same line ,fine the value of X.

by Md.Nazrul Islam

Sat Apr 07, 2012 8:53 pm
Forum: Problem Solving
Topic: co-ordinate geometry.
Replies: 3
Views: 719

#### co-ordinate geometry.

##### co-ordinate geometry.

Given a circle on co-ordinate axis with origin (0,0) and radius 5.find the number of points we could find on the circle.

by Md.Nazrul Islam

Sat Apr 07, 2012 8:50 pm
Forum: Problem Solving
Topic: co-ordinate geometry.
Replies: 1
Views: 718

#### co-ordinate geometry.

##### co-ordinate geometry.

Is line 1 is parallel to the y-axis ?.

1)the equation of line 1 is x=4 .

2) the points (4,2) and (4,-5) are on the line 1.

by Md.Nazrul Islam

Sat Apr 07, 2012 8:46 pm
Forum: Problem Solving
Topic: co-ordinate geometry.
Replies: 4
Views: 857

#### co-ordinate geometry .

##### co-ordinate geometry .

If line K in the xy-plane has equation y= mx+b, where m and b are constant .what is the slope of line K.

1)K is parallel to the line with equation y=(1-m)x+b+1.

2)K intersect the line with equation y=2x+3 at the point (2,7).

by Md.Nazrul Islam

Fri Apr 06, 2012 8:08 pm
Forum: Data Sufficiency
Topic: co-ordinate geometry .
Replies: 1
Views: 746

#### co-ordinate geometry .

##### co-ordinate geometry .

In the xy-plane line L and K intersect at the point (16/5,12/5 ).what is the slope of the line L .

1)THE product of the slopes of line L and K is -1.

2) line K pass through the origin .

by Md.Nazrul Islam

Fri Apr 06, 2012 8:00 pm
Forum: Data Sufficiency
Topic: co-ordinate geometry .
Replies: 1
Views: 809

#### Mean and distribution .

##### Mean and distribution .

A certain characteristic in a large population has distribution that symmetric about mean .If 68 percent of the distribution lies within one standard deviation 'd' of the mean .what of the distribution is less than m+d ?

by Md.Nazrul Islam

Wed Apr 04, 2012 7:52 pm
Forum: Problem Solving
Topic: Mean and distribution .
Replies: 1
Views: 695

#### Rectangular problem .

##### Rectangular problem .

The interior of a rectangular cartoon is designed by a certain manufacturer to have a volume of x cubic feet and a ratio of length to width to height is 3:2:2.In terms of 'x' what is the height of the cartoon in feet .

by Md.Nazrul Islam

Wed Apr 04, 2012 7:45 pm
Forum: Problem Solving
Topic: Rectangular problem .
Replies: 2
Views: 774

#### factor problem .

##### factor problem .

what is the greatest common factor of the positive integer J and K .

1)k= j+1.

2)jk is divisible by 5.

by Md.Nazrul Islam

Wed Apr 04, 2012 7:28 pm
Forum: Problem Solving
Topic: factor problem .
Replies: 2
Views: 798

#### factor problem

##### factor problem

when positive integer x is divided by 5, the remainder is 3,and when x is divided by 7 the remainder is 4. when positive integer y is divided by 5,the remainder is 3,and when y is divided by 7 the remainder is 5.if x>y, what must be a factor of x-y ?

by Md.Nazrul Islam

Tue Apr 03, 2012 8:13 pm
Forum: Problem Solving
Topic: factor problem
Replies: 7
Views: 988