Can you replace the question mark with the correct number?

Rose, Lily and Jasmine decided to buy flowers for their moms on Mother's Day. One of them bought lilies, the other roses, and the third one jasmines.
'It's funny!' said the girl with roses, 'we bought roses, jasmines and lilies, but none of us bought the flowers matching her name'.
'You're right!', said Lily.
What kind of flowers did each of the girls buy?

Can you solve the rebus below?

What is the Surname of Barbie Doll?

How many times can you subtract the number two from the number fifty?

The average age of 10 members of a committee is the same as it was 4 years ago, because an old member has been replaced by a young member. Find how much younger is the new member ?

1 + 9 + 8 = ?
considering, 28 + 8 + 92 = 10

What is full of holes but still holds water?

What is the word or phrase?

How many Watermelons are there in the below picture?