Which of the following rational numbers is equal to its reciprocal?
(a) 1
(b) 2
(c) 1/2
(d) 0

Solution:

We have to find the rational number equal to its reciprocal.

From the given options,

Taking 1,

Reciprocal of 1 = 1/1 = 1

Taking 2,

Reciprocal of 2 = 1/2

Taking 1/2,

Reciprocal of 1/2 = 2

Taking 0,

Reciprocal of 0 = 1/0 = undefined

Therefore, the rational number equal to its reciprocal is 1.

✦ Try This: Which of the following is equal to reciprocal of 1/3? (a) 1, (b) 3, (c) 1/3, (d) 0

☛ Also Check: NCERT Solutions for Class 7 Maths Chapter 9

---

NCERT Exemplar Class 7 Maths Chapter 8 Problem 5

Which of the following rational numbers is equal to its reciprocal? (a) 1, (b) 2, (c) 1/2, (d) 0

Summary:

Out of the given numbers, the rational number equal to its reciprocal is 1

---

☛ Related Questions:

• The reciprocal of 1/2 is (a) 3, (b) 2, (c) -1, (d) 0
• The standard form of -48/60 is (a) 48/60, (b) -60/48, (c) -4/5, (d) -4/-5
• Which of the following is equivalent to 4/5? (a) 5/4, (b) 16/25, (c) 16/20, (d) 15/25