If the total area under bajra was three hundred acres, then the; total area (in hundred acres) under rice arid barley together is

1.  18

2.  12

3.  15

4.  20

4

18

Explanation :
No Explanation available for this question

If x+y+z=0 then x2/yz+y2/zx+z2/xy=

1.  (xyz)2

2.  x2+y2+z2

3.  9

4.  3

4

3

Explanation :
No Explanation available for this question

The combination of three crops which contribute to more than 50% of the total area under the food crops is

1.  Wheat, rice and maize

2.  wheat, rice and jowar

3.  wheat, rice and bajra

4.  rice, barley and maize

4

Wheat, rice and maize

Explanation :
No Explanation available for this question

The ratio of the land used for rice and barley is

1.  3:1

2.  1 : 2

3.  2 : 1

4.  3 : 2

4

2 : 1

Explanation :
No Explanation available for this question

If the production of rice is 5 times that of jowar and the production of jowar is 2 times that of bajra, then the ratio between the yield per acre of rice and bajra is

1.  5:1

2.  3 : 1

3.  4 : 1

4.  6 : 1

4

5:1

Explanation :
No Explanation available for this question

Which of the following statements are true regarding the polygons I. Interior angle of a regular pentagonis three times the exterior angles of a regular decagon. IIIn a convex hexagon the sum of all interior angles is equal to twice the sum of its exterior angles formed by producing the sides in the same order. III. The number of diagonals of apolygon of n sides

1.  I is true

2.  I and III are true

3.  II and III are true

4.  All of these

4

All of these

Explanation :
No Explanation available for this question

The total production of rice and wheat in all the mentioned states is minimum in the state

1.  B

2.  C

3.  D

4.  E

4

D

Explanation :
No Explanation available for this question

The ratio of total production of rice in the mentioned states to that of wheat in those states, is

1.  15 :16

2.  12 : 13

3.  13 : 14

4.  14 : 15

4

14 : 15

Explanation :
No Explanation available for this question

The difference between the production in rice and wheat is maximum in

1.  A only

2.  all of A, B and E

3.  B and E both

4.  A and B both

4

A and B both

Explanation :
No Explanation available for this question

1.  A

2.  B

3.  C

4.  D

4