Math puzzle no.8

Maria have some blueberries and some cups. If she put 9 blueberries into each cup she will have two cups left. If she put 6 blueberries into each cup she will have three blueberries left over.

Hint:-Frame an equation....

Math puzzle no.7

There are 27 identical balls but one of them is overweight....There are only three chances to weigh on the weighing machine...how will you figure out which is the overweight ball?

Math Puzzle No.6

There are 5 houses in 5 different colors. In each house lives a person with a different nationality. The 5 owners drink a certain type of beverage, smoke a certain brand of cigar, and keep a certain pet. No owners have the same pet, smoke the same brand of cigar, or drink the same beverage.
Hints:

The Brit lives in the red house.
The Swede keeps dogs as pets.
The Dane drink

s tea.
The green house is on the left of the white house.
The green homeowner drinks coffee.
The person who smokes Pall Mall rears birds.
The owner of the yellow house smokes Dunhill.
The man living in the center house drinks milk.
The Norwegian lives in the first house.
The man who smokes Blend lives next to the one who keeps cats.
The man who keeps the horse lives next to the man who smokes Dunhill.
The owner who smokes Bluemaster drinks beer.
The German smokes prince.
The Norwegian lives next to the blue house.
The man who smokes Blend has a neighbor who drinks water.
The question is: Who owns the fish?

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Math Puzzle no.5

4 , 6 ,12 , 18, 30, 42, 60 , 72, 102 ,108 ,? ,? , ?

Math Puzzle no.4

The sum of a mother, her baby and her dog weight is 170 pounds.

How much does the baby weigh if the mother weighs 100 pounds more than the combined weight of the baby and the dog,and the dog weighs 60 percent less than the baby?

Hint:- Frame an equation in x  taking weight of the baby as x pounds....

Math puzzle No.3

When they started off on the great annual picnic every wagon in town was pressed into service. 

Half way to the picnic ground ten wagons broke down, so it was necessary for each of the remaining wagons to carry one more person.

When they started for home it was discovered that fifteen more wagons were out of commission, so on the return trip there were three persons more in each wagon than when they started out in the morning.

Now who can tell how many people attended the great annual picnic?

Math Puzzle No.2

Four people need to cross a rickety bridge at night. Unfortunately, they have only one torch and the bridge is too dangerous to cross without one. The bridge is only strong enough to support two people at a time. Not all people take the same time to cross the bridge. Times for each person: 1 min, 2 mins, 7 mins and 10 mins. What is the shortest time needed for all four of them to cross the bridge?