The correct option is B 40+9
Say:
We have to find a number that is less than 6 Tens and 6 Ones from the given options.
Steps:
∙ 6 Tens and 6 Ones = 66
∙ Let us look at our options.
∙ Option A: 60+9=69. This is greater than 66, so it is incorrect.
∙ Option B: 40+9=49. It is less than 66, so it is correct.
∙ Option C: 50+11=66, so it is incorrect.
∙ Option D: 70+5=75, which is greater than 66. So it is incorrect.
∙ Hence, Option B is correct.