Question

Chapter 15 example 5

Two dice are rolled simultaneously. Find the probability of getting (i) the sum as 7 (ii) the sum as 3 and 4 (iii) prime number on both the dice

by selling an article for Rs 18.75 a merchant loses as much percent as it cost him in rupees find the cost price of the article

please solve qno 16 by cross multiplication method

(1+tan+sec)(1+cot-cosec)

(1+tan+sec)(1+cot-cosec)

Find the length of the longest pole that can be put in a room of dimensions 10m by 10m by 5m.