Table shows the number of mobile phones sold by five sellers A to E from Monday to Sunday.
| Seller | Mon | Tue | Wed | Thu | Fri | Sat | Sun |
|---|---|---|---|---|---|---|---|
| A | 80 | 90 | 96 | 56 | 100 | 48 | 40 |
| B | 180 | 184 | 54 | 24 | 32 | 196 | 52 |
| C | 160 | 72 | 60 | 26 | 56 | 124 | 94 |
| D | 120 | 92 | 24 | 128 | 104 | 68 | 152 |
| E | 96 | 36 | 116 | 138 | 140 | 20 | 30 |
The mobile phones sold by A on Thursday are of two types, Windows phones and Android phones, in the ratio 3:4. What is the number of Windows phones sold by A on Thursday?
A28
B48
C32
D24 ✓ Correct
Correct answer: (D) 24
Explanation
The answer is 24.
A sold 56 phones on Thursday.
The ratio of Windows to Android phones is 3 to 4, giving 7 equal parts.
Each part is 56 divided by 7, which is 8.
Windows phones are 3 parts, so 3 times 8.
That equals 24.
So the answer is 24.
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