The height of a house subtends a right angle at an opposite window & the line through the window to the top of the house makes an angle θ with the vertical. If the breath of the street be ‘d’ meters. Find the height of the house
A certain sum amounts to Rs 8,192 in 3.5 years and to Rs 9,472 in 6 years, at simple interest at a certain rate percent p. a. The rate of interest p.a. and the sum are ........ and ....... respectively.
A and B can complete a certain task in 24 days and 40 days, respectively. They worked together for 8 days. C completed the remaining task in 14 days. Working together, A and C will complete 75% of the same work in: