NCERT Exemplar Solutions
Class 6 - Mathematics - Unit 7: Algebra - Multiple Choice QuestionsQuestion 10
Class 6 - Mathematics - Unit 7: Algebra - Multiple Choice Questions
Question. 10
In algebra, a × b means ab, but in arithmetic 3 × 5 is
(A)
35
(B)
53
(C)
15
(D)
8
Detailed Answer with Explanation:
Step 1: “3 × 5” means 3 groups of 5.
Step 2: Add 5 three times:
(5 + 5 = 10)
(10 + 5 = 15)
So, (3 imes 5 = 15).
(You can also see it the other way: 5 groups of 3)
(3 + 3 + 3 + 3 + 3 = 15)
Answer: 15 → Option C.