An aeroplane when flying at a height of 5000m from the ground passes vertically above another aeroplane at an instant, when the angles of elevation of the two aeroplanes from the same point on the ground are 60° and 45° respectively. The vertical distance between the aeroplanes at that instant is

The angles of a triangle are in Arithmetic Progression. The ratio of the least angle in degrees to the number of radians in the greatest angle is . The angles in degrees are

• 30°,  60°, 90°

• 35°, 55°, 90°

• 40°, 50°, 90°

• 40°, 50°, 90°

93.

The expression  is equal to

• 
• 
• 
• 

The minimum value of sin²θ + cos²θ + sec²θ + cosec²θ + tan²θ + cot²θ is

• 1

• 3

• 5

• 5

If  then the value of  is

• -1

• 2

• 1

• 1

The bar chart given below shows the percentage distribution of the production of various models of a mobile manufacturing company in 2007 and 2008. The total production in 2007 was 35 lakh mobile phones and in 2008 the production was 44 lakh. Study the chart and answer the following questions.

Percentage of six different types of mobiles manufactured by a company over two years


Total number of mobiles of models A, B and E manufactured in 2007 was

• 24,50,000

• 22,75,000

• 21,00,000

• 21,00,000

The bar chart given below shows the percentage distribution of the production of various models of a mobile manufacturing company in 2007 and 2008. The total production in 2007 was 35 lakh mobile phones and in 2008 the production was 44 lakh. Study the chart and answer the following questions.

Percentage of six different types of mobiles manufactured by a company over two years


For which models was the percentage variation in production from 2007 to 2008 the maximum?

• B and C

• C and D

• D and E

• D and E

The bar chart given below shows the percentage distribution of the production of various models of a mobile manufacturing company in 2007 and 2008. The total production in 2007 was 35 lakh mobile phones and in 2008 the production was 44 lakh. Study the chart and answer the following questions.

Percentage of six different types of mobiles manufactured by a company over two years


What was the difference in the number of B type mobiles produced in 2007 and 2008?

• 3,55,000

• 2,70,000

• 2,25,000

• 2,25,000

The bar chart given below shows the percentage distribution of the production of various models of a mobile manufacturing company in 2007 and 2008. The total production in 2007 was 35 lakh mobile phones and in 2008 the production was 44 lakh. Study the chart and answer the following questions.

Percentage of six different types of mobiles manufactured by a company over two years



If the percentage production of A-type mobiles in 2008 was same as that in 2007, then the number of A-type mobiles produced in 2008 would have been

• 14,00,000

• 13,20,000

• 11,70,000

• 11,70,000

The bar chart given below shows the percentage distribution of the production of various models of a mobile manufacturing company in 2007 and 2008. The total production in 2007 was 35 lakh mobile phones and in 2008 the production was 44 lakh. Study the chart and answer the following questions.

Percentage of six different types of mobiles manufactured by a company over two years.



If 85% of the D type mobiles produced in each year were sold by the company, how many D type mobiles remained unsold?

• 76,500

• 93,500

• 1,18,500

• 1,18,500