Q1. 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

Q2. The product of two 2 digit numbers is 2028 and their HCF is 13 What are the numbers

Q3. The least number which when divided by 5 6 7 and 8 leaves a remainder 3 but when divided by 9 leaves no remainder is

Q4. The H C F of two numbers is 11 and their L C M is 7700 If one of the numbers is 275 then the other is

Q5. 105 goats 140 donkeys and 175 cows have to be taken across a river There is only one boat which will have to make many trips in order to do so The lazy boatman has his own conditions for the transporting them He insists that he will take the same number of animals in every trip and they have to be of the same kind He will naturally like to take the largest possible number each time So number of animals went in each trip are w LatentStyles DefLockedState false DefUnhideWhenUsed true DefSemiHidden true DefQFormat false DefPriority 99 LatentStyleCount 267 w LsdException Locked false Priority 0 SemiHidden false UnhideWhenUsed false QFormat true Name Normal w LsdException Locked false Priority 9 SemiHidden false UnhideWhenUsed false QFormat true Name heading 1 w LsdException Locked false Priority 10 SemiHidden false UnhideWhenUsed false QFormat true Name Title w LsdException Locked false Priority 11 SemiHidden false UnhideWhenUsed false QFormat true Name Subtitle w LsdException Locked 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