A pattern is formed using sticks of equal length as shown below:
. Write the sequence of number of sticks used in each figure.

A pattern is formed using sticks of equal length as shown below: . Write the sequence of number of squares and rectangles in each figure.

A pattern is formed using sticks of equal length as shown below: . Find the number of sticks and squares in the 10^(th ) figure.

A student builds square pattern with square bricks using the following sequence of steps. The number of bricks used in the Ist stage is 1,the number of additional bricks used in the 2nd stage is 3, the number of additional bricks used in the 3rd stage is 5 and son on. Show that the number of bricks used upto n-stages is n^2 .

A student builds square pattern with square bricks using the following sequence of steps. The number of bricks used in the Ist stage is 1,the number of additional bricks used in the 2nd stage is 3, the number of additional bricks used in the 3rd stage is 5 and son on .How many additional bricks does the student use in the 5th stage ?

Write one use of each of the following: Power alcohol

Consider circles, points on its circumference and chords as shown in the figure.Mark two points on the circle and drawachord. Mark one more point and draw three chords. Continue this process by adding one more point each time. . Write the number of chords in each figure as a sequence.

Write one use of each of the following: Methanol

Observe the number pattern made using terms of an arithmetic sequence 2, 6,10, ... . Find the first and the last numbers in the 20th line.

Write one use of each of the following: Butane

Write in pairs, equal number of atoms from those given below: