- 112
- 210
- 250
- 120

Option 1 : 112

**Calculation:**

Let the number of students be x

Number of girls = 2x/7

And number of boys = x - 2x/7 = 5x/7

According to the question,

5x/7 = 280

⇒ x = 392

Number of girls = 2x/7 = (2/7 × 392) = 112

**∴ The number of girls is 112.**

India’s **#1 Learning** Platform

Start Complete Exam Preparation

Daily Live MasterClasses

Practice Question Bank

Mock Tests & Quizzes

Trusted by 2,18,32,673+ Students

Testbook Edu Solutions Pvt. Ltd.

1st & 2nd Floor, Zion Building,

Plot No. 273, Sector 10, Kharghar,

Navi Mumbai - 410210

[email protected]
Plot No. 273, Sector 10, Kharghar,

Navi Mumbai - 410210

Toll Free:1800 833 0800

Office Hours: 10 AM to 7 PM (all 7 days)