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**90) **The ratio of number of boys and girls in a school of 720 students is 7:5. How many more girls should be admitted to make the ratio 1:1?

**Answer is:**

## 120

**Related RRB SSE Mechanical Question Paper 2014 (Set-1) with Answer Key**

**Answer is:**

### NOR gate

**Answer is:**

### 10 kmph

**Answer is:**