Comprehension

Directions: These questions are based on the following data. Study it carefully and answer the questions that follow.

In a school having 400 students boys and girls are in the ratio of 3:5 respectively. The students speak Hindi, English or both the languages. 12% of the boys speak only Hindi, 22% of the girls speak only English. 24% of the total students speak only Hindi and the number of boys speaking both the languages is six times the number of boys speaking only Hindi.

How many girls speak only Hindi?

This question was previously asked in
CSIR-CLRI JSA 2024 Official Paper-I (Held On: 16 Feb, 2025)
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  1. 55
  2. 117
  3. 96
  4. 78

Answer (Detailed Solution Below)

Option 4 : 78
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Detailed Solution

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Calculation:-

Total students = 400

Boys = 150, Girls = 250

24% of total students speak only Hindi

⇒ (24/100) × 400 = 96 students speak only Hindi

Boys speaking only Hindi = 18 (from previous question)

Step: Girls speaking only Hindi

= Total only Hindi speakers − Boys speaking only Hindi

= 96 − 18 = 78 girls

Final Answer:

78 girls speak only Hindi

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