MATHS EASY WAY: puzzle of the day

MATHS EASY WAY: puzzle of the day: Daily practice Math and live answers from educators! Daily practice Math and live answers from educators!

puzzle of the day

Daily practice Math and live answers from educators!

Daily practice Math and live answers from educators!

Fibonacci number

1. a series of numbers in which each number ( Fibonacci number ) is the sum of the two preceding numbers. The simplest is the series 1, 1, 2, 3, 5, 8, etc.

Example:

 the series of numbers:

0, 1, 1, 2, 3, 5, 8, 13, 21, 34, ...

check how it is:

0+1=1

1+1=2

2+3=5

5+3=8  and so on.....

The next number is found by adding up the two numbers before it.

0, 1, 1, 2, 3, 5, 8, 13, 21, 34, ...

the next number in the sequence above is

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Daily practice Math and live answers from educators!

Calculate the money-grade-10

Calculate the money required to buy: 

(i) 350, Rs. 20 shares at a premium of Rs. 7. 

(ii) 275, Rs. 60 shares at a discount of Rs. 10. 

(iii) 50, Rs. 40 shares quoted at Rs. 38.50. 

revision -grade-10

Revision -grade-10 

Find the ratio in which the line 2x + 3y – 5 + 0 divides the line segment joining the points (8, -9) and (2,1). Also, find the co-ordinates of the point of division. 

grade-10 revision

The internal and external diameters of a hollow hemispherical vesel are 24 cm and 25 cm respectively. The cost to paint 1 cm2 of the surface of the vessel is Rs. 5. Find the total cost to paint the vessel all over (use π = 3 x 1/7).