A telegraph post is bent at a point above the ground. Its top just touches the ground at a distance of 8√3 m from its feet and makes an angle of 30 ° with the horizontal. The height (in metre) of the post is 

Direction : What value should come in the place of question mark (?) in the following questions?

9.5 % of 720 + 1.5 % of 320 = ? 

Simple interest accrued on an amount in 8 yr @ 12 % per annum is Rs 5520 What is the principal amount ?

The ratio of two positive numbers is 3 : 4. The sum of their squares is 400. What is the sum of the numbers?

Mrs. Reena’s family has 10 males and a few women, the average monthly consumption of Wheat per head is 8 kg. If the average monthly consumption of Wheat per head be 10 kg in the case of males and 6 kg in the case of women, find the number of women in Reena’s family?

A train is moving at a speed of 80 km/ h and covers a certain distance in 4.5 hours. The speed of the train to cover the same distance in 4 hours is 

Answer the following questions

Nirmal started a business by investing Rs.48000. After 7 months, Vidya joined him with a capital of Rs.56000. At the end of the year of the total profit was Rs.5885. What is the Vidya’s share of the profit?

The diagonals AC and BD of a cyclic quadrilateral ABCD intersect each other at the point P. Then, it is always true that