[Forest Guard, 2022]
6. Base of a right-angle triangle is 18 cm and its area is 162 sq cm. Find its height.
9 cm
27 cm
36 cm
None of the above
7. A rectangular block 9 cm by 12 cm by 15 cm is cut up into an exact number of equal cubes. What will be the least possible number of cubes?
60
40
50
none of the above
8. A sum of Rs. 4240 is to be divided among A, B and C in such a way that the ratio between A and B is 7:6 and ratio between B and C is 9:7 and ratio between A and C is 3:2. The share of A is:
1442
2100
1680
9. 10 years ago, age of Vikram was 13 times the age of Avi. After 10 years ratio of ages of Vikram will be 11:23. What is the present age of Vikram ?
36
30
49
23
10. If a solid metal ball with a diameter of 12 cm is melted to convert to a solid cylinder with same diameter, the height of the cylinder is:
12 cm
6 cm
8 cm