A bar graph showing the height of six mountain peaks. Study the bar graph and answer the following Questions.

Which peak is the second highest?

The angle of elevation of the top of a tower from two points A and B lying on the horizontal through the foot of the tower are 159 and 30° respectively. If A and B are on the same side of the tower and AB = 48 meter, then the height of the tower is; 

If the sum of three dimensions and the total surface area of a rectangular box are 12 cm and 94 $$\ cm^2 $$ respectively, then the maximum length of a stick that can be placed inside the box is

Two numbers are respectively 10% and 25% more than a third number. What percent is the first of the second number?

A phone is sold for Rs. 860 at a loss of 20% for how much should it be sold gain 10%?

For what value of k, the system of equations kx + 2y = 2 and 3x + y = 1 will be coincident? 

A ladder is placed along a wall such that its upper end is touching the top of the wall. The foot of the ladder is 10 ft away from the wall and the ladder is making an angle of 60 ° with the ground. When a man starts climbing on it, it slips and now ladder makes an angle of 30° with ground. How much did the ladder slip? 

The compound interest earned in two years at 12% per annum Rs 10176. What is the sum (in Rs) invested?