1.  1

2.  4/3

3.  3

4.  -1

4
Correct Answer :

4/3

Explanation :
No Explanation available for this question

# In ΔABC, if r1,r2,r3 are in H.P, then r2/r =

1.  1

2.  2

3.  3

4.  4

4
Correct Answer :

3

Explanation :
No Explanation available for this question

# In ΔABC, if r1 = r2 = r3, then the triangle is

1.  equilateral

2.  right angled

3.  isosceles

4.  none

4
Correct Answer :

equilateral

Explanation :
No Explanation available for this question

# In ΔABC, if r r1 = r2 = r3, then the triangle is

1.  isosceles

2.  equilateral

3.  right angled

4.  none

4
Correct Answer :

right angled

Explanation :
No Explanation available for this question

# I: In a ΔABC, if (a+b+c) (a+b-c) = ab then < C=600 II: If sin2 A +sin2 B+sin2C =2 in a &Delta

1.  only I is true

2.  only II is true

3.  both I,II are true

4.  neither I and II is true

4
Correct Answer :

only II is true

Explanation :
No Explanation available for this question

# In ΔABC, the roots of the equation x3- (r+4R) x2+s2x-s2r =0 are

1.  r r1r2

2.  r r2r3

3.  r r1r3

4.  1 r2r3

4
Correct Answer :

1 r2r3

Explanation :
No Explanation available for this question

# InΔ ABC, if 2r1 =3r2 = r3, then a:b:c =

1.  4:3:5

2.  3:4:5

3.  5:3:4

4.  3:5:4

4
Correct Answer :

4:3:5

Explanation :
No Explanation available for this question

# In ΔABC, if 4r= 3R, then cos A +cos B+ cos C =

1.  1/4

2.  3/4

3.  5/4

4.  7/4

4
Correct Answer :

7/4

Explanation :
No Explanation available for this question

# In ΔABC, if H is the orthocentre of ΔABC and x= AH, y= BH, z= CH, then x+y+z =

1.  r+R

2.  2(r+R)

3.  ½ (r+R)

4.  2(r-R)

4
Correct Answer :

2(r+R)

Explanation :
No Explanation available for this question

# There are 3 routes from Tenali to Vijaywada and 4 routes from Vijaywada to Hyderabad,in how many different ways a person can travel from Tenali to Hyderabad via Vijaywada

1.  12

2.  10

3.  18

4.  20

4
Correct Answer :

12

Explanation :
No Explanation available for this question

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