## New Book – Philosophical Stories & Classic Songs

## Jumping Puzzle

Deer runs by jumping. It takes leap of either 10m, 12m or 14 m after every 6 second. It continuously run without stopping. Then what is minimum time required to reach at the place 1 kilometer away from starting point ?

## Pie Shaped Domino cutting Puzzle

Suppose you have Pie shaped dominoes Now with one straight cut you can slice a pie into two pieces. A second cut that crosses the first one will produce four pieces, and a third cut can produce as many as seven pieces. What is the largest number of pieces that you can get with five straight cuts?

## 2017 as Sum of Powers (Interesting Property of 2017)

## What is Mathematics

Refer

## Logical Puzzle for Genious

—————————————– NUMBER PUZZLE ———————————————————- Logical Puzzle Let a, b, c, d be the digits of 4 digit number abcd. If number follows following property , abcd = 4 * (dcba) Then identify number abcd. —————————————————- Solution => abcd = 4 * (dcba) -> abcd is multiple of 4, hence cd will be multiple of 4. — (1) (by divisibility test of 4 ) -> d will be even , d belongs to {2, 4, 6, 8} — (2) —– abcd > dcba -> a > d — (3) 4d < 10 => d will be either 1 or…

## FUN WITH TRIGONOMETRY

Visual Trigonometry

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## NUMBER SENSE PUZZLE

NUMBER PUZZLE 1 ************************************************************** Identify four digit number if a) Sum of all digits of number is 13 b) Difference between smallest & largest number formed from the digit of number is 6084 c) Subtraction of reverse number from original number yields 3906 NUMBER PUZZLE 2 ************************************************************** Difference between four digit number & its reverse number is zero. Also if its digital root (remainder when number is divided by 9) given , then its sufficient to identify the number. Now if digital roots of number is a) 1 b) 3 c) 6 d) 3 e) 9 Identify number in…

## Number Sense Puzzle 6

Identify all possible four digit natural number if a) Total no. of numbers formed by using digit of number is only 6 b) Difference between number & its reverse number is 0 c) Sum of all digit of number is 34 d) Number leaves remainder 1 when it divided by 4. The books for developing number sense