Q1. The largest natural number which exactly divides the product of any four consecutive Natural numbers is

Q2. What is the smallest number which when divided by 20 25 35 40 leaves a remainder of 14 19 29 34 respectively

Q3. A rectangular courtyard 140cm long 525cm wide is to be paved exactly with square tiles all of the same size what is the largest size of the tile which could be used for the purpose

Q4. In a seminar the number of participants in Technology Economics and Science are 150 90 and 180 respectively Find the minimum number of rooms required where in each room the same number of participants are to be seated and all of them being in the same subject

Q5. Find the greatest number which will divide 2112 and 2792 leaving the remainder 4 in each case