The ratio of the number of boys in a school to the total number of boys and…
2023
The ratio of the number of boys in a school to the total number of boys and girls in that school is 7 : 17. If the number of boys in that school is 1099, then how many girls are there in that school?
Answer: A. 1570 — Boys are 7 parts out of a total 17 parts, so girls are 10 parts. If 7 parts = 1099, then 1 part = 157 and girls = 10 x 157 = 1570.
- A.
1570
- B.
1580
- C.
1560
- D.
1550
Attempted by 101 students.
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Correct answer: A
Boys are 7 parts out of a total 17 parts, so girls are 10 parts. If 7 parts = 1099, then 1 part = 157 and girls = 10 x 157 = 1570.
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