If A is travelling at 72 km per hour on a highway. B is travelling at a speed of 25 meters per second on a highway. What is the difference in their speeds in m/sec.
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Age of Grandfather is the ages of 4 grandchildren where their ages are in consecutive.Find the age of Grandfather.
A person left house with speed 40 mile per hour his wife after 30 minutes left to catch him at a speed of 50. In what time she will catch?
There is a field inside that there is a rectangular grass field with dimension 12X8 meter. One horse is tied at one corner of the grass field with a rope of 10 Mtrs. Horse is not allowed to enter the grass field .How much area it will graze?
If A driver drives a car four times a lap 10,20 30,60 kmph what is his average speed.
If A = x3y2x3y2 and B=xy3xy3, then find the HCF of A, B
What are the major data structures used in the following areas : RDBMS, Network data model & Hierarchical data model.
a grandfather has 5 sons and daughters and grandchildren.they have to be arranged in a row such that the first 4 seats and last four seats are to be taken by grandchildren and the grandfather would not sit adjacent to any of the grandchildren.
Cubic root of 3375=?
Light glows for every 13 seconds . How many times did it glow between 1:57:58 and 3:20:47 am.
Ms. Neelam deposits an amount of Rs. 16420 at simple interest and obtained 25451 at the end of 5 years. What was the rate of interest per year?
if length of a rectangle is increased by 20% and width is decreased by 20% the area will be
There are 5 boxes in a cargo. The weight of the 1st box is 200 KG, the weight of the 2nd box is 20% higher than the third box, whose weight is 25% higher than the 1st box weight. The 4th box which weighs 350 KG is 30% lighter than the 5th box. Find the difference in average weight of the 4 heaviest boxes and the four lightest boxes.