Q9. Ratios between the no. of sides and each interior angles for two regular polygons are 5:6 and 24:25 respectively. Then what are the no. of sides of those polygons?
(a) 20, 24
(b) 25, 18
(c) 10, 12
(d) 5, 6
Q10. If A (2, 3), B (1, 4), C(0, -2) & D(x, y) are the vertices of a parallelogram then the value of (x, y) will be?
(a) (1, – 3)
(b) (2, 4)
(c) (1, 1)
(d) (0, 0)
Q11. The triangle with vertices A (2, 4), B(2, 6) and C(2 + √3, 5) is a triangle of type-
(a) Right angle ∆
(b) Isosceles ∆
(c) Equilateral ∆
(d) Obtuse angled ∆
Q12. If sum of first n natural numbers is 1/5th of sum of their squares. Then what is the value of n.
(a) 7
(b) 8
(c) 9
(d) 10
Q13. If straight line 2x + 3y = 6 intersects x-axis and y-axis at points A & B respectively. What is the length of intercept between the axes.
(a) √13 unit
(b) 13 unit
(c) √7 unit
(d) √5 unit
Q14. Since prices of mangoes decreased by 25%, I can purchase 4 mangoes more for Rs. 60. What is the original price of one mango?
(a) Rs.6
(b) Rs.12
(c) Rs.10
(d) Rs.5
Q15. If the price of potatoes increased first by 20% and subsequently by 40%. What is the final price per kilogram, if the original price was Rs. 25 per kilogram?
(a) 42
(b) 36
(c) 48
(d) 54
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