Question

SECTION - II
Note: 1) Answer ALL the questions.
2) Each question carries 2 marks.
8 x 2 = 16
13. Find the LCM and HCF of 72 and 108.
14. List all the subsets of c = {x,y,=}
15. Find the quadratic polynomial whose zeroes are 2. - 1.
16. Find the nature of the roots of 2r? - 3x + 5 = 0
17. Find the centroid of the triangle whose vertices are (3.-5), (-7, 4).
(10.-2) respectively,
18. A flag pole 4 m tall costs a 6 m, shadow at the same time, a nearby
building costs a shadow of 24 m. How tall is the building.
[ Contd... 3rd​

Answer 1

Step-by-step explanation:

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