Find The Next Number In The Sequence

30 10 15 13 0 16 -15 ?

Without looking at a calendar, within a minute name, a boy's name using 5 consecutive 1st letters of 5 consecutive months

A worker is to perform work for you for seven straight days. In return for his work, you will pay him 1/7th of a bar of gold per day. The worker requires a daily payment of 1/7th of the bar of gold. What and where are the fewest number of cuts to the bar of gold that will allow you to pay him 1/7th each day?

Can you divide the below-given shape into four equal and identical pieces?

What does the below image rebus riddle means ?

You have 10 balls with you. A friend of yours out of nowhere asks you to place those ten balls in five lines such that each of the lines has exactly 4 balls on them. He needs to check your intelligence. Prove him by doing the task.

What has a ring but no finger?

A bomb exploded in a room full of married couples and no one died. How?

I noticed one of the words in the oxford dictionary is spelled incorrectly. What about you?

Can you find out what is missing?

1 3 5
2 4 ?

Hint: It's not six. Think out of the box.