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In a college, the ratio of the number of boys to girls is 8 : 5. If there are 160 girls, the total number of students in the college is
- A100
- B100
- C100
- D416
Correct answer: D
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0
CCommunity
416
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NA
0
CCommunity
Solution :
Let the number of boys be 'x' and number of girls be 'y'.
Given : x : y = 8 : 5
Number of girls = 160
So, x / y = 8 / 5
x / 160 = 8 / 5
x / 32 = 8
x = 8 × 32
x = 256
Total strength of the class = 160 + 256
= 416
So, the correct option is D ). 416
Let the number of boys be 'x' and number of girls be 'y'.
Given : x : y = 8 : 5
Number of girls = 160
So, x / y = 8 / 5
x / 160 = 8 / 5
x / 32 = 8
x = 8 × 32
x = 256
Total strength of the class = 160 + 256
= 416
So, the correct option is D ). 416