What is the next number in this series?

4,12,84,3612....

10+10 and 11+11 can give you the same answer.

Explain how?

Can you find the company name in the pictogram below?

What does this mathematical rebus means ?

Replace the (?) with the correct mathematical signs to make the expression equal to 59.

18 ? 12 ? 4 ? 5 = 59

what does this below rebus represent identXQQQQQME

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

Can you find the largest Three-digit number whose sum is 14 and whose square is less than 5,00,000?

Can you find the key in the picture below?

Five lovely ladies(Sophia, Isabella, Madison, Emma and Olivia) planned a picnic.

They each buy one thing each for the picnic.

Sophia, Emma and Olivia got a drink : orange-Juice, apple-juice, and mango-juice.
Olivia got the drink with the same letter as the one in her first name.
Emma loves mango-juice.
The other two bring some food : chocolates and pizza.
Also Madison is allergic to cheese.

So which ladies bought what ?