## Lakshya Education MCQs

Question: The ratio of the radii of two circle is 3 : 2. What is the ratio of their circumferences ?
Options:
 A. 2 : 3 B. 3 : 2 C. 4 : 9 D. None of these

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## More Questions on This Topic :

Question 1. A circular grassy plot of land, 42 cm is diameter, has a path 3.5 m wide running around it outside. The cost of gravelling the path at Rs. 4 per square metre is :
1.    Rs. 1002
2.    Rs. 1802
3.    Rs. 2002
4.    Rs. 3002
Question 2. A horse is tied at the corner of a rectangular field whose length is 20 m and width is 16 m, with a rope whose length is 14 m. Find the area which the horse can graze :
1.    144 sq. m
2.    154 sq. m
3.    156 sq. m
4.    164 sq. m
Question 3. A triangle with sides 13 cm, 14 cm and 15 cm is inscribed in a circle. The radius of the circle is :
1.    2 cm
2.    3 cm
3.    4 cm
4.    8.125 cm
Question 4. The circumference of a circle, whose area is 24.64 m2 , is :
1.    14.64 m
2.    16.36 m
3.    17.60 m
4.    18.40 m
Question 5. A triangle and a parallelogram are constructed on the same base such that their areas are equal. If the altitude of the parallelogram is 100 m, then the altitude of the triangle is :
1.    10$$\sqrt 2$$ m
2.    100 m
3.    100$$\sqrt 2$$ m
4.    200 m
1.    $$25 \,c{m^2}$$
2.    $$\frac{{25}}{2}\sqrt 2 \,c{m^2}$$
3.    $$25\sqrt 2 \,c{m^2}$$
4.    $$25\sqrt 3 \,c{m^2}$$