Direct and Inve...

There is enough food to last for 40 people for 10 days. If 10 more people join them, the food will last for

Raju earns Rs 1440, if he works for 12 days. If he works for 30 days, he will earn

If the cost of 18 pens is Rs. 234, a dozen pen will cost

If two quantities x and y vary inversely then

If 8:12::6:a, the value of a is

A car is traveling at a speed of 54 km/ hour, covers a distance in 2.5 hours. At a speed of 45 km/hr, it covers the same distance in

25 labourers can build a wall in 4 days. IF only 20 labourers report for work, the wall be built in

If two quantities x and y vary directly, then 

If16×9=12×m, the value of m is

A tree of 20m height casts a shadow 8 m long, what is the height of a tree that casts a shadow 10 m long