In Fig. 14.52, the area of ` A B C` (in square units) is (FIGURE) (a) 15 (b) 10 (c) 7.5 (d) 2.5

If the length of diagonal AC of a square A B C D is 5.2cm, then the area of the square is (a) 10.52sq. cm (b) 11.52sq. cm (c) 12.52sq. cm (d) 13.52sq. cm

In the given figure, A B C is a right-angled triangle with B as the right angle. Three semi-circles are drawn with A B , B C and A C as diameters. What is the area of the shaded portion if the area of the triangle A B C is 12 square units? (FIGURE) (a) 6 square units (b) 12 square units (c) 24 square units (d) Cannot be determined as the data is insufficient

In Fig. 15.110, the ratio of the areas of two sectors S_1 and S_2 is (a) 5\ :2 (b) 3\ :5 (c) 5\ :3 (d) 4\ :5 (FIGURE)

If the diagonal of a square is made 1.5 times, then the ratio of the areas of two squares is (a) 4 : 3 (b) 4 : 5 (c) 4 : 7 (d) 4 : 9

In Fig. 15.107, the shaded area is (FIGURE) (a) 50(pi-2)c m^2 (b) 25(pi-2)c m^2 (c) 25(pi+2)c m^2 (d) 5(pi-2)c m^2

A fraction equivalent to (45)/(105) is 6/(14) (b) 4/7 (c) 5/7 (d) 7/5

In Fig. 4.245, R S D B P Q . If C P=P D=11 c m and D R=R A=3c m . Then the values of x and y are respectively (FIGURE) 12 , 10 (b) 14 , 6 (c) 10 , 7 (d) 16 , 8

A square is inscribed in a circle and another in a semi-circle of same radius.The ratio of the area of the first square to the area of the second square is (a) 2:5quad (b) 5:2 (c) 4:5quad (d) 5:4

In Fig.95, If A B ,\ C D\ a n d\ E F are straight lines, then x= (a) 5 (b) 10 (c) 20 (d) 30

The number of terms of the A.P. 3,\ 7,\ 11 ,\ 15 ,\ ddot to be taken so that the sum is 406 is (a) 5 (b) 10 (c) 12 (d) 14