(1 + sin α) (1 + sin β) (1 + sin γ) = (1 - sin α) (1 - sin β) (1 - sin γ), then each side is equal to

142.

One of the four angles of a rhombus is 60°. If the length of each side of the rhombus is 8 cm, then the length of the longer diagonal is

• 8√3 cm

• 8 cm

• 4√3 cm

• 8 /√3 cm

If the arcs of square length in two circles subtend angles of 60° and 75° at their centres, the ratio of their radii is

• 3 : 4

• 4 : 5

• 5 : 4

• 3 : 5

Study the above bar graph showing the production of food grains (in million tonne).

What is the ratio between the maximum production and the minimum production during the given period?

• 1 : 2

• 2 : 3

• 3 : 4

• 5 : 2

Study the following histogram and answer the following questions.

The total number of students involved in the data is

• 33

• 32

• 43

• 42

Study the following histogram and answer the following questions.

The maximum number of students got the marks in the interval of

• 10 - 20

• 20 - 30

• 30 - 40

• 40 - 50

Study the following histogram and answer the following questions.

The least number of students got the marks in the interval

• 40 - 50

• 20 - 30

• 10 - 20

• 0 - 10

Study the following histogram and answer the following questions.

The ratio of the students obtaining marks in the first and the last interval is

• 5 : 4

• 6 : 5

• 4 : 5

• 3 : 4

Study the following histogram and answer the following questions.

The difference in the amount estimated by the family on interior decoration and architect's fees is

• ₹ 10000

• ₹ 9500

• ₹ 7200

• ₹ 9600

In a certain country, allocations to various sectors of the yearly budget per ₹ 1000 crore are represented by the pie-diagram. The expenditure (in ₹) on Agriculture is

• 250 crore

• 150 crore

• 300 crore

• 200 crore