If 5 A + B 3 = 65, then the value of A and B is
(a) A = 2, B = 3
(b) A = 3, B = 2
(c) A = 2, B = 1
(d) A = 1, B = 2

Solution:

5 A

B 3

6 5

From Above we can state

A + 3 = 5

A = 2 (there is no carry over)

B + 5 = 6

B = 6 - 5 = 1

Hence A = 2 and B = 1

The correct answer is (c )

✦ Try This: If 5 A + B 4 = 79, then the value of A and B is (a) A = 2, B = 3, (b) A = 3, B = 2, (c) A = 2, B = 1, (d) A = 1, B = 2

   5 A

+ B 4

   7 7

From Above we can state

A + 4 = 7

A = 3 (there is no carry over)

B + 5 = 7

B = 7 - 5 = 2

Hence A = 3 and B = 2

The correct choice is (b).

☛ Also Check: NCERT Solutions for Class 8 Maths Chapter 16

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NCERT Exemplar Class 8 Maths Chapter 13 Problem 13

If 5 A + B 3 = 65, then the value of A and B is (a) A = 2, B = 3 (b) A = 3, B = 2 (c) A = 2, B = 1 (d) A = 1, B = 2

Summary:

If 5 A + B 3 = 65, then the value of A and B is 2 and 1 respectively

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☛ Related Questions:

• If A 3 + 8 B = 150, then the value of A + B is (a) 13, (b) 12, (c) 17, (d) 15
• If 5 A × A = 399, then the value of A is (a) 3, (b) 6, (c) 7, (d) 9
• If 6 A × B = A 8 B, then the value of A - B is (a) -2, (b) 2, (c) -3, (d) 3