A man standing on the bank of a river observes that the angle of elevation of the top of a tree just on the opposite bank is 60°. But the angle of elevation is 30° from a point which is at a distance of  from the bank. Then the height of the tree

• 60 ft

• 45 ft

• 30 ft

• 30 ft

72.

The following pie-chart shows the monthly expenditure of a man on various items. If he spends ₹ 16000 per month, answer the following questions.
            

If Miscellaneous expenses be x% of the total expense, then value of x is

• 22.5

• 37.5

• 36

• 36

The following pie-chart shows the monthly expenditure of a man on various items. If he spends ₹ 16000 per month, answer the following questions.
            
The ratio of expenses of food and rent is

• 5 : 3

• 3 : 5

• 4 : 3

• 4 : 3

The following pie-chart shows the monthly expenditure of a man on various items. If he spends ₹ 16000 per month, answer the following questions.
            
The amount he spends on education is:

• ₹ 1,200

• ₹ 1,600

• ₹ 1,800

• ₹ 1,800

The following pie-chart shows the monthly expenditure of a man on various items. If he spends ₹ 16000 per month, answer the following questions.
            
How much more does he spend on rent as compared to education?

• ₹ 2,400/-
• ₹ 1,800/-
• ₹ 3,600 /-
• ₹ 3,600 /-