Question

19
(3) Look at these
x4 - x 3) - 2
2*5 = (3 4) - 2
3 x6 = (4 * 5)-2
4x7 = (5x6-2
Write the next two lines in this pattern.
If we take four consecutive natural numbers, what is the relation
between the products of the first and the last, and the product of
the middle two?
THE
Write this as a general principle in algebra and explain it​

Answer 1

Answer:

10 - In a class of 20 kids, each kid is given a number of chocolates equal to their roll

number The roll numbers are from 1 to 20. Hence the first kid gets one chocolate the

second gets two and so on. Now the teacher takes away chocolates from any 2 kids and

distributes (a+b+2) chocolates to them - where a and b are chocolates with any two kids.

This process is repeated 19 times. How many total number of chocolates are with the kids

at the end of the 19 time this is done?

a) 211

c) 187

b) 222

d) 249