In a factory men, women and children were employed in the ratio 8:5:1 to finish a job and their individual wages were in the ratio 5:2:3. Total daily wages of all amount to Rs. 318. Find the total daily wages paid to each category.

Anoop sells a book to Mayank at a profit of 20% and Mayank sells this book to Siddharth at a profit of 25%. Now Siddharth sells this book at a loss of 10% to Shishir. At what percentage loss should Shishir sells this book now so that his SP becomes equal to Anoop’s CP?

Ticket for an adult is Rs 1600 and a child is Rs. 600.  1 child goes free with two adults. If a group has 17 adults and 7 children what is the discount the group gets? 

There are 3 green, 4 orange and 5 white color bulbs in a bag. If a bulb is picked at random, what is the probability of having either a green or a white bulb?

The average weight of 14 children is 22 kg. If the weight of the teacher is also included, then the average weight becomes 23 kg. What is the teacher's weight?

Find the HCF of 306, 204 and 136.

To travel 432 km, an Express train takes 1 hour more than Duronto. If however, the speed of the Express train is increased by 50%, it takes 2 hours less than Duronto. What is the speed (in km / hr) of Duronto train?