A positive integer when divided by 425 gives remainder 45. When the same number is divided by 17, the remainder will be 

A bag contains 30 balls, numbered 1 to 30. Two balls are drawn at random. What is the probability that the balls drawn contain a number which is multiple of 4 or 6 but not a multiple of both?

Find the inner surface area of all walls of a rectangular room with length 7 m breadth 5 m and height 3.5 m -  

The water in a river is flowing at a rate of 4 km/hr. If the width and depth of the river are 8m and 4m respectively, then how much water will enter the sea in 15 minutes? 

G and H can do a work in 30 days. If H alone can do it in 50 days, then G alone can do it in__ days.

Shyam covers a distance of 400 km in 5 hours. He traveled for some time at a speed of 85 km / h and the rest at a speed of 55 km / h. How long did he travel at high speed?

If 5cosθ – 12sinθ=0 then value of

The mean of 14 observations is 11. One more observation is included and the new mean becomes 12. The  observation is