# If two circles C, and C2 have three points in common then :

1.  C, and C2 are the same circle

2.  C1 and C2 are concentric

3.  C, and C2 have different centre’s

4.   None of these

4

C, and C2 are the same circle

Explanation :
No Explanation available for this question

# In the following figure OM and ON are the perpendiculars drawn on the chords PQ and RS. If OM = ON = 6 cm. Then :

1.  PQ > RS

2.  PQ < RS

3.  PQ

4.   PQ= RS

4

PQ= RS

Explanation :
No Explanation available for this question

# The sum of the H.C.F. and L.C.M. of two numbers is 680 P- and their L.C.M. is 84 times their H.C.F. If one of the numbers is 56, then the other number is

1.  64

2.  72

3.  96

4.   80

4

96

Explanation :
No Explanation available for this question

# The greatest whole number, by which the expression n4 + 6n3 + 11n2 + 6n + 24 is divisible for every natural number n, is

1.  6

2.  24

3.  12

4.   48

4

48

Explanation :
No Explanation available for this question

1.  3

2.  2

3.   0

4.

4

0

Explanation :
No Explanation available for this question

1.

2.

3.

4.

4

Explanation :
No Explanation available for this question

# The missing term of the sequence 9, 12. 11, 14. 13,__,15 is

1.  12

2.  16

3.  10

4.   17

4

16

Explanation :
No Explanation available for this question

# A vertical post 15 ft high is broken at a certain height and its upper part, not completely separated, meets the ground at an angle of 30°. Find the height at which the post is broken.

1.  10ft

2.   5ft

3.

4.

4

5ft

Explanation :
No Explanation available for this question

# Given that = 35; then + + is equal to

1.  0.3885

2.  388.5

3.  38.85

4.   3.885

4

3.885

Explanation :
No Explanation available for this question

1.   2

2.  1

3.  3

4.   undefined

4