# Boy's Money Collection

On one occasion, A Boy collects 71 rupees in form of 20 paise and 25 paise. He collects a total of 324 coins.

Can you tell me how many 20-paisa and 25-paisa he got?

# Similar Math Riddles

##### Count Chocolates Maths Problem

A and B have a certain number of chocolates with them. If B gives one chocolate to A, they will have an equal number of chocolates. But if A gives one chocolate to B, then A will be left with half the number of chocolates that B has.

Can you find out the number of chocolates they have right now?

Asked by Neha on 02 Apr 2023

##### Train into a Tunnel

An express train takes 3 seconds to enter the tunnel which is 1 km long.
If it is travelling at 120 km an hour, how long will it take to pass completely through the tunnel?

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##### Mathematical Symbol

Replace the 'X' with any mathematical symbol to make the expression equal to 111.

18 X 12 X 2 X 3 = 111

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##### Count the Hens

A chicken farmer has figured out that a hen and a half can lay an egg and a half in a day and a half. How many hens does the farmer need to produce one dozen eggs in six days?

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##### Dice Probability

Can you calculate the probability of getting a sum of six when a dice is thrown twice?

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You have \$100 with you and you have to buy 100 balls with it. 100 is the exact figure and you can't go below or above the numbers and you have to use the entire \$100. If there is no kind of tax applied how many of each of the following balls will you be able to buy:

Green Balls costing \$6
Yellow Balls costing \$3
Black Balls costing \$0.10

Now, how many of each must you buy to fulfil the condition given?

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##### Magic Math

Can you find the missing number in the third row?
35 20 14
27 12 18
5 2 ?

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##### Add or Multiply get the same

What three numbers, none of which is zero, give the same result whether theyâ€™re added or multiplied?

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##### Mathematical Fraction

Using four sevens (7) and a one (1) create the number 100. Except for the five numerals, you can use the usual mathematical operations (+, -, x, :), root and brackets ()

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##### Making The Century

Use the digits from 1 up to 9 and make 100.

=> Each digit should be used only once.
=> You can only use addition.
=> For making a number, two single digits can be combined (for example, 4 and 2 can be combined to form 42 or 24)
=> A fraction can also be made by combining the two single digits (for example, 4 and 2 can be combined to form 4/2 or 2/4)

Question: how can we do this?

Asked by Neha on 13 Jun 2023

### Amazing Facts

###### Rubik’s Cube

The inventor of the Rubik’s Cube didn’t realize he’d built a puzzle until he scrambled it the first time and tried to restore it.