You are given with the following sum. Each of the letters can be decoded as a digit. If we tell you that D = 5, then can you solve it entirely?

DONALD
+GERALD
=ROBERT

using four eights (8) and a one (1) and one mathematical symbol , create the number 100

At a party, there are five people and a whole round cake lying at the centre of the table. Only four people will make a cut and take their piece and the last one will get the remaining piece on the table. How can they make sure that everyone gets a 1/5th of the piece?

Can you find out the missing number?

? 4 5 3 5

9 5 7 10 3

Find the next number in the sequence

1, 2, 6, 21, 88, __?

I am eight letters long - "12345678"
My 1234 is an atmospheric condition.
My 34567 supports a plant.
My 4567 is too appropriate.
My 45 is a friendly thank-you.
My 678 is a man's name.

What word am I?

Can you find the missing letter in the sequence?
S - T - I - L - ? - T - F - Y - C

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?

What is the next number in the series?

15 29 56 108 208 ?

Replace the letters of words with a number so that the below equation holds true

BASE +
BALL
---------
GAMES
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