#101 - Easy Number Sequence

Given that
(78)^9 = 6
And (69)^4 = 11

Can you find out (89)^2 = ?

7 + 8 = 15 and 15 - 9 = 6
6 + 9 = 15 and 15 - 4 = 11

Thus, (89)^2:
8 + 9 = 17 and 17 - 2 = 15

#102 - Hard Aptitude Number Series

Can you solve this hard number series problem ?
7, 8, 10, 12, 16, 18 ?

22

Its is series of prime numbers + 5

1st 7 Prime nos are :
2 , 3 , 5 , 7 , 11 , 13 , 17
Adding 5 =>
7 , 8 , 10 , 12 , 16 , 18 , 22(Ans)

#103 - Fill The Holes In Picture series

You can see some missing numbers in the figure. You have to fill them such that the sum of each side equals 36.

Fill The Holes In Picture series

Refer to the picture for solution.

#104 - Missing Digit Puzzle

The center of the third figure is empty. What digit should fit inside?

Missing Digit Puzzle

The pattern that is being followed here is reversing the corner digits and adding them.
First Square:
13 + 32 + 11 + 34 = 90

Second Square:
21 + 19 + 27 + 16 = 83

Third Square:
33 + 33 + 22 + 26 = 125

Thus the missing number is 125

#105 - Picture Sequence Puzzle

In the given figure, you can see that there are four circles numbered from 1 to 4. In the fourth circle, a digit is missing. Can you find out a relation and tell which number will suffice the pattern?

Picture Sequence Puzzle

The number will be 30.

1. (5 + 4) * 2 = 18
2. (12 + 8) * 3 = 60
3. (3 + 9) * 4 = 48
4. (4 + 2) * 5 = 30

#106 - Word Series Puzzle

You can find some missing letters in the picture. By placing two particular letters in the spaces, you can from a nine lettered word beginning from one of the corners and going clockwise direction to the middle.Can you find out the letters and the word ?

Word Series Puzzle

The missing letters are H and L. The word is Avalanche.

#107 - Hard Missing Number Grid

Can you find out the missing number in the grid?

Hard Missing Number Grid

The missing number is 19. Let us label the boxes with Rs and Cs where R refers to the Row number and C refers to the Column number.

#108 - Math Number Series

5, 16, 49, 104, ?

181

Pattern is +11, +33, +55, +77

#109 - Replace Question Mark Picture

What number should come in place of question mark?

Replace Question Mark Picture

23

Interchange the digits in the square. You will find that all these number are squares of some or other number. Now, the number inside the circle is the sum of square roots of the numbers in squares.

In the 3rd diagram, 61 = 16 and square root = 4
90 = 09 and square root = 3
18 = 81 and square root = 9
94 = 49 and square root = 7

4 + 3 + 9 + 7 = 23.

#110 - Missing Number Series

Can you find a pattern and find the missing number in the series given below?
84, 155, 258, ? , 584, 819.

399

4^3 + 3^2 + 4 = 84
5^3 + 5^2 + 5 = 155
6^3 + 6^2 + 6 = 258
8^3 + 8^2 + 8 = 584
9^3 + 9^2 + 9 = 819

Therefore the missing number is:
7^3 + 7^2 + 7 = 399.