Search found 32 matches


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

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.

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.

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.

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 .

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.

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.

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.

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 .

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 .

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 .

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 .

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 .

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

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