Euclid had a triangle in his mind .The longest side is 20 and the other side is 10.Area of the triangle is 80.The third side is
root 260
root 240
root 250
root 210
What will be the area of a semi-circle of 14 metres diameter?
154 sq metres
77 sq metres
308 sq metres
22 sq metres
None of these
The ratio between rhe perimeter and the breadth of a rectangle is 5 : 1. If the area of the rectangle is 216 sq. cm, what is the length of the rectangle ?
16 cm
18 cm
24 cm
Data inadequate
The currencies in countries X and Y are denoted by Xs. and Ys. respectively. The exchange rate in 1990 was 1 Xs. = 0.6 Ys. The price level in 2006 in X and Y are 150 and 400 respectively with 1990 as a base of 100. The exchange rate in 2006, based solely on this purchasing power parity consideration, is 1 Xs.=
0.225 Ys.
0.625 Ys.
1.6 Ys.
3.6 Ys.
Five-third of the smallest side of a right angled triangle is equal to its largest side. Also the length of the second largest side of triangle is 8 cm. What is the sum of the smallest and the largest sides of that triangle together?
14 cm
12 cm
If a wire is bent into the shape of a square, then the area of the square is 81sq.cm. When the wire is bent into a semi-circular shape, then the area of the semi-circle will be:
22 cm2
44 cm2
77 cm2
154 cm2
In a cyclic quadrilateral ABCD, if AB = 2, BC = 3, CD = 4 and DA = 5, what is the ratio of the lengths of the diagonals?
7 : 11
11 : 13
10 : 11
13 : 15
To comfortably sit in a room, every girl must be allowed a floor space of 2 sq.m. and air space of 5.5 cubic metres. Fifty girls are to be seated comfortably in a room 10m. long. What should be its height?
5.5m
6.6m
6.5m
5m
In two triangles, the ratio of the areas is 4 : 3 and ratio of their heights is 3 : 4. Find the ratio of their bases
16 : 9
9 : 16
9 : 12
16 : 12
A solid metallic spherical ball of diameter 6 cm is melted and recast into a cone with diameter of the base as 12 cm. The height of the cone is
2cm
3 cm
4 cm
6 cm
What is the slope of the line given by the equation 3w - 7 = 6 - 2y?
87
- 2/3
45.741
36
74
A circular park has a path of uniform width around it. The difference between outer and inner circumference of the circular path is 132m. Its width is:
20 cm
21 cm
22 cm
Angle 'N. of the quadrilateral ABCD is 260 less than angle B. Angle B is twice angle C and angle C is 100 more than the angle D. What would be the measure of angle A?
1040
1260
560
1320
1060
If the perimeter of a rectangle and a square, each is equal to 80 cm and the difference of their areas is 100sq.cm. The sides of the rectangle are
25 cm, 15 cm
28 cm, 12 cm
30 cm, 10 cm
35 cm, 15 cm
If an arc of 600 on circle I has the same length as an arc of 450 on circle II, what is the ratio of thearea of circle I to that of circle II ?
4 : 3
3 : 4
A flagstaff 17.5 m high casts a shadow of length 40.25m. The height of the building which casts a shadow of length 28.75 under similar conditions will be:
10m
12.5m
17.5 m
21. 25m
What is the slope of the line given by the equation 4g - 5 = 7 - 2e?
--74
12
5
15
Find the area of the cyclic quadrilateral whose sides are 15,12,10 and 13 cms.
30*sqrt(26)
30*sqrt(20)
10*sqrt(6)
10*sqrt(2)
The curved surface area of a cylinder pillar is 264 m2 and its volume is 924 m3. Find the ratio of its diameter to its height
3:7
7:3
6:7
7:6
The area of the triangle whose vertices are (a, a), (a + 1, a + 1), (a + 2, a) is :
a3
1
2a
21/2
A circular garden has a circumference of 440m. There is a 7m border inside the garden along its periphery. The area of the border is
2918 m2
2921 m2
2924 m2
2926 m2
The area of a triangle is 21 sq. units. If two of its vertices lie on points (5, 3) and (–4, –3), then find the locus of the third vertex.
2x – 3y = 15
2x + 3y = 15
3x + 2y = 15
3x – 2y = 15
The number of revolutions made by a wheel of diameter 56 cm in covering a distance of 1.1 km is: (use π= 22/7)
31.25
56.25
62
62.5
The cost of cultivating a square field at the rate of Rs. 135 per hectare is Rs. 1215. The cost of putting a fence around it at the rate of 75 paise per metre would be
Rs. 360
Rs. 810
Rs. 900
Rs. 1800
There are 8436 steel balls, each with a radius of 1 centimeter, stacked in a pile, with 1 ball on top, 3 balls in the second layer, 6 in the third layer, 10 in the fourth, and so on. The number of horizontal layers in the pile is
34
38
32
A powder tin has a square base with side 16 cm and height 28 cm. Another tin has a circular base with diameter 16 cm and height 28 cm. Find the difference in their capacities.
1536 cm3
162 cm3
1253 cm3
2500 cm3
The radii of two cones are in the ratio 2:1, their volumes are equal. Find the ratio of their heights
1:8
1:4
2:1
4:1
The area of rectangular-field is 460 square metres. If the length is 15 per cent more than the breadth .what is the breadth of the rectangular field?
15 metres
26 metres
34.5 metres
Cannot be determined
In the adjoining figure, AC + AB = 5 AD and AC - AD = 8. The area of the rectangle ABCD is:
50
60
cannot be answered
The length of a room is 5.5 m and width is 3.75 m. Find the cost of paving the floor by slabs at the rate of Rs. 800 per sq. metre.
Rs. 15,000
Rs, 15,550
Rs, 15,600
Rs, 16,500