The length of a ladder is exactly equal to the height of the wall it is resting against. If lower end of the ladder is kept on a stool of height 3 m and the stool is kept 9 m away from the wall, the upper end of the ladder coincides with the top of the wall. Then, the height of the wall is:

1.  12 m

2.  15 m

3.  18 m

4.  11 m

4

15 m

Explanation :
No Explanation available for this question

A man invests Rs. 3000 at a rate of 5% per annum. How much more should he invest at a rate of 8%, so that he can earn a total of 6% per annum

1.  Rs. 1200

2.  Rs. 1300

3.  Rs. 1500

4.  Rs. 2000

4

Rs. 1500

Explanation :
No Explanation available for this question

Three  consecutive  positive  even  numbers  are  such  that  thrice  the  first  number exceeds double the third by 2; then the third number is:

1.  10

2.  14

3.  16

4.  12

4

14

Explanation :
No Explanation available for this question

What is the shortest distance between M1  and M2

1.  11 km

2.  72 km

3.  7 km

4.  14 km

4

14 km

Explanation :
No Explanation available for this question

What is the shortest distance between M1 , and M3  among the course

1.  22 km

2.  142 km

3.  222 km

4.  14 km

4

22 km

Explanation :
No Explanation available for this question

Which is the point that coincides with M0

1.  M1

2.  M2

3.  M3

4.  M4

4

M4

Explanation :
No Explanation available for this question

In the diagram given below, ABD = CDB = PQD = 90o. If AB: CD = 3: 1, the ratio of CD: PQ is

1.  1: 0.69

2.  1: 0.75

3.  1: 0.72

4.  None of the above.

4

1: 0.75

Explanation :
No Explanation available for this question

In a triangle ABC, AB = 6, BC = 8 and AC = 10. A perpendicular dropped from B, meets the side AC at D. A circle of radius BD (with center B) is drawn. If the circle cuts AB and BC at P and Q respectively, then AP: QC is equal to

1.  1: 1

2.  3: 2

3.  4: 1

4.  3: 8

4

3: 8

Explanation :
No Explanation available for this question

Each side of a given polygon is parallel to either the X or the Y axis. A corner of such a polygon is said to be convex if the internal angle is 90o or concave if the internal angle is 270o. If the number of convex corners in such a polygon is 25, the number of concave corners must be

1.  20

2.  0

3.  21

4.  22

4

21

Explanation :
No Explanation available for this question

1.  120

2.  450

3.  720

4.  250

4