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Dr. Charles Simonyi is the Father of Modern Microsoft Excel                                           JavaScript was originally developed by Brendan Eich of Netscape under the name Mocha, later LiveScript, and finally renamed to JavaScript.                                           The word "Biology" is firstly used by Lamarck and Treviranus                                           Hippocrates (460-370 bc) is known as father of medicine.                                           Galene, 130-200 is known as father of Experimental Physology                                           Aristotle (384-322 BC) is known as Father of Zoology because he wrote the construction and behavior of different animals in his book "Historia animalium"                                           Theophrastus(370-285 BC) is known as father of Botany because he wrote about 500 different plants in his book "Historia Plantarum".                                           John Resig is known as Father of Jquery -                                          HTML is a markup language which is use to design web pages. It was invented in 1990 by Tim Berners-Lee.                                                                The Google was founded by Larry Page and Sergey Brin.                                                                Rasmus Lerdorf was the original creator of PHP. It was first released in 1995.                                                               Facebook was founded by Mark Zuckerberg                                                               Bjarne Stroustrup, creator of C++.                                                                Dennis Ritchie creator of C                                                                                                                              James Gosling, also known as the "Father of Java"                                          At 11.44%, Bihar is India's fastest growing state                                          Father of HTML -Tim Berners Lee                                          orkut was created by Orkut Büyükkökten, a Turkish software engineer                    Photoshop: It came about after Thomas Knoll, a PhD student at the University of Michigan created a program to display grayscale images on a monochrome monitor which at the time was called 'Display'.

Number System

1. If one-third of one-fourth of a number is 15, then three-tenth of that number is:

A.         35         B.         36

C.         45         D.         54

2. Three times the first of three consecutive odd integers is 3 more than twice the third. The third integer is:

A.         9          B.         11

C.         13         D.         15

3. The difference between a two-digit number and the number obtained by interchanging the positions of its digits is 36. What is the difference between the two digits of that number?

A.         3          B.         4

C.         9          D.         Cannot be determined
E.         None of these

4.  The difference between a two-digit number and the number obtained by interchanging the digits is 36. What is the difference between the sum and the difference of the digits of the number if the ratio between the digits of the number is 1 : 2 ?

A.         4          B.         8
C.         16         D.         None of these

5. A two-digit number is such that the product of the digits is 8. When 18 is added to the number, then the digits are reversed. The number is:

A.         18         B.         24

C.         42         D.         81
6.  The sum of the digits of a two-digit number is 15 and the difference between the digits is 3. What is the two-digit number?

A.         69         B.         78

C.         96         D.         Cannot be determined
E.         None of these

7.  The sum of the squares of three numbers is 138, while the sum of their products taken two at a time is 131. Their sum is:

A.         20         B.         30

C.         40         D.         None of these

8.  A number consists of two digits. If the digits interchange places and the new number is added to the original number, then the resulting number will be divisible by:

A.         3          B.         5
C.         9          D.         11

9. In a two-digit, if it is known that its unit's digit exceeds its ten's digit by 2 and that the product of the given number and the sum of its digits is equal to 144, then the number is:

A.         24         B.         26

C.         42         D.         46
10. Find a positive number which when increased by 17 is equal to 60 times the reciprocal of the number.

A.         3          B.         10

C.         17         D.         20

11. The product of two numbers is 9375 and the quotient, when the larger one is divided by the smaller, is  15. The sum of the numbers is:

A.         380       B.         395
C.         400       D.         425

12. The product of two numbers is 120 and the sum of their squares is 289. The sum of the number is:

A.         20         B.         23

C.         169       D.         None of these

13.  A number consists of 3 digits whose sum is 10. The middle digit is equal to the sum of the other two and the number will be increased by 99 if its digits are reversed. The number is:

A.         145       B.         253
C.         370       D.         352

14.  The sum of two number is 25 and their difference is 13. Find their product.

A.         104       B.         114

C.         315       D.         325

15.  What is the sum of two consecutive even numbers, the difference of whose squares is 84?

A.         34         B.         38

C.         42         D.         46

Logical reasoning

1.
Look at this series: 2, 1, (1/2), (1/4), ... What number should come next?
 (1/3) (1/8) (2/8) (1/16)

2.
Look at this series: 7, 10, 8, 11, 9, 12, ... What number should come next?
 7 10 12 13
3.  Look at this series: 36, 34, 30, 28, 24, ... What number should come next?
 20 22 23 26
4. Look at this series: 22, 21, 23, 22, 24, 23, ... What number should come next?
 22 24 25 26

5.  Look at this series: 53, 53, 40, 40, 27, 27, ... What number should come next?

12
14

27
53

6.
Look at this series: 21, 9, 21, 11, 21, 13, 21, ... What number should come next?
 14 15 21 23
7.
Look at this series: 58, 52, 46, 40, 34, ... What number should come next?
 26 28 30 32
8.
Look at this series: 3, 4, 7, 8, 11, 12, ... What number should come next?
 7 10 14 15
9.
Look at this series: 8, 22, 8, 28, 8, ... What number should come next?
 9 29 32 34
10.
Look at this series: 31, 29, 24, 22, 17, ... What number should come next?
 15 14 13 12

Other type
SLook carefully for the pattern, and then choose which pair of numbers comes next.

1.
28 25 5 21 18 5 14
 11 5 10 7 11 8 5 10 10 5
2.
8 11 21 15 18 21 22
 25 18 25 21 25 29 24 21 22 26
3.
9 16 23 30 37 44 51
 59 66 56 62 58 66 58 65 54 61
4.
2 8 14 20 26 32 38
 2 46 44 50 42 48 40 42 32 26
5.
9 11 33 13 15 33 17
 19 33 33 35 33 19 15 33 19 21
6.
2 3 4 5 6 4 8
 9 10 4 8 10 4 9 4 8 9
7.
17 17 34 20 20 31 23
 26 23 34 20 23 33 27 28 23 28
8.
6 20 8 14 10 8 12
 14 10 2 18 4 12 2 14 14 14
9.
21 25 18 29 33 18
 43 18 41 44 37 18 37 41 38 41
10.
75 65 85 55 45 85 35
 25 15 25 85 35 25 85 35 25 75