In the four images below, can you find the odd one out?

Forwards I am heavy, backward I am not. What am I?

A pond had 60 fish, out of which, all but 20 died.
How many fishes are now present in that pond?

Why is the Hole below a Lock?

Which English verb becomes past tense just by rearranging the letters?

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?

What does man love more than life, and hate more than death or mortal strife; that which satisfied men want; the poor have, and the rich require; the miser spends, the spendthrift saves, and all men carry to their graves?

If I remove one from eleven it becomes Ten and if I remove one from nine also becomes Ten. How?

The average age of 10 members of a committee is the same as it was 4 years ago, because an old member has been replaced by a young member.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

I get hot but I never sweat,
I cook food but I am not a chef,
I have a door but you can't enter me,
I have a light but I am not a lamp.
Who am I?