Question

Complete the table by using the following instructions.

A : It is the 6th term in the Fibonacci sequence.
B : The predecessor of 2.
C : LCM of 2 and 3.
D : HCF of 6 and 20.
E : The reciprocal of 1/5.
F : The opposite number of -7.
G : The first composite number.
H : Area of a square of side 3 cm.
I : The number of lines of symmetry of an equilateral triangle. After completing the table, what do you observe? Discuss.

Answer 1

A : 6th term in Fibonacci sequence is 8.
B : Predecessor of 2 is 1.
C : LCM of 2 and 3 is 6.
D : HCF of 6 and 20 is 2.
E : Reciprocal of 15 is 5.
F : Opposite number of – 7 is 7.
G : The first composite number is 4.
H : Area of square of side 3 cm is 3 × 3 = 9 cm².
I : The number of lines of symmetry of an equilateral triangle is 3.

∴ The table becomes

From the table we observe that the numbers are from 1 to 9.