15 person can complete a work in 60 days. If the number of persons is increased by 5, how many days earlier will the work get completed?

In a shop shirt are usually sold at 40% above the cost price. During a sale, the shopkeeper offers a discount of 10% off the usual selling price. If he man ages to sell 72 shirts for ₹ 13,608 then his cost price per shirt, ( in ₹) is 

Direction: The following diagram shows the percentage of population of Hindus, Sikhs and Muslims with respect to total population in a town during 2005 to 2008. Study the diagram and answer the questions:

Difference of percentage of population of Hindus in 2005 and 2008 is:

Vaishnavi and Saurabh start moving at the same time from city A to city B, 60 km away. Vaishnavi travels 4 km/hr slower than Saurabh. Saurabh reaches city B and at once turns back meeting Vaishnavi, 12 km from city B. What is the speed of Vaishnavi ?

A kinetic Honda covers a distance of 140 km in 2 hours and 20 minutes while a car covers the same distance in 1 hour and 40 minutes. What is the ratio of their speeds?

If (a + b) : (b + c) : (c + a)  = 6 : 7 : 8 and a + b +c =14, then the value of c=

A work is done in 12 days by a team of 10 men, the same work is completed by a team of 10 women in 6 days. If both work together then in how many days the same work can be completed-