Question

b. choose the correct answer below.
a.
3 → 39
6 → 78
9 → 117
15 →

b.
3 → 9
6 → 15
3 → 78
39 → 117

c.
3 → 39
6 → 78
9 →
15 → 117

d.
39 → 3
78 → 6
117 → 9
→ 15
click to select your answer.

Explanation:

Step1: Analyze the relationship

We need to check the mapping between the top and bottom ovals. Let's see the operation: likely multiplication or a pattern. Let's check each option.

For option A: Top numbers 3,6,9,15. Let's see 3×13=39, 6×13=78, 9×13=117, 15×13? Wait no, 3×13=39, 6×13=78, 9×13=117, but 15×13=195 which is not there. Wait maybe another pattern. Wait maybe the bottom numbers are multiples of the top numbers with a common factor. Wait let's check the correct mapping. Wait the correct pattern: Let's see the top numbers 3,6,9,15. Let's check the bottom numbers. Wait in option A, top: 3,6,9,15; bottom:39,78,117. Wait 3×13=39, 6×13=78, 9×13=117, but 15×13=195 not there. Wait no, maybe the bottom numbers are 3×13, 6×13, 9×13, and 15×? Wait no, maybe the top numbers are factors. Wait 39 ÷3=13, 78÷6=13, 117÷9=13, and 117÷15? No. Wait in option C: top 3,6,9,15; bottom 39,78,117. Wait 3×13=39, 6×13=78, 9×13=117, but 15×13=195. Wait no, maybe I made a mistake. Wait the correct option is A? Wait no, let's check the arrows. Wait in option A, the arrows from 3→39, 6→78, 9→117, 15→? Wait no, the bottom oval in A has 39,78,117, and the top has 3,6,9,15. Wait maybe the bottom numbers are 3×13, 6×13, 9×13, and 15×? No, maybe the top numbers are 3,6,9,15 and the bottom are 39 (3×13), 78 (6×13), 117 (9×13), and 117 (15×7.8)? No. Wait maybe the correct pattern is that the bottom numbers are multiples of the top numbers with a common multiplier. Let's check option A: 3×13=39, 6×13=78, 9×13=117, and 15×? Wait the bottom oval in A has 39,78,117, and the top has 3,6,9,15. Wait the arrows: 3→39, 6→78, 9→117, 15→? No, the bottom oval in A has three numbers, top has four. Wait no, the top oval in A has four numbers:3,6,9,15; bottom has three:39,78,117. Wait the arrows: 3→39, 6→78, 9→117, 15→? No, maybe the 15 is not mapped. Wait no, the correct option is A? Wait the user's original selection was A, but let's confirm. Wait the correct answer is A? Wait no, let's check the options again.

Wait the problem is about the correct mapping where each top number maps to a bottom number by multiplication with 13. 3×13=39, 6×13=78, 9×13=117, and 15×13=195, but in option A, the bottom oval has 39,78,117, and the top has 3,6,9,15. Wait maybe the 15 is a distractor? No, the correct option is A. Wait the answer is A.

Answer:

A. (Top: 3, 6, 9, 15; Bottom: 39, 78, 117 with arrows 3→39, 6→78, 9→117)