hi alll

Now i took the practice gmat and got a dumb score of 600... Now i had these questions which i need answers.

Could you kly help....


1) DS :- in an isosceles triangle RST what is measure of angle R

1) measure of angle T is 100
2) measure of angle S is 40

2) DS :- for students of class A, the range of their heights is r cm and the greatest height is g cm. For students of class B, range of the heights is s cm and the greatest height is h cm. Now is the least height of students in class A greater than the least height for class B?

1) r<s 2) g>h

3) DS :- does the line k intersect quadrant II of a system (-ve, +ve)

1) slope is -(1/6)
2) y intercept is -6.

4) DS :- is m ne n?
1) m+n <0
2) mn<0


Thanks

Harsha