The document RD Sharma Solutions - Ex-11.4, Percentage, Class 7, Math Class 7 Notes | EduRev is a part of the Class 7 Course RD Sharma Solutions for Class 7 Mathematics.

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**Find each of the following: (i) 7% of Rs 7150 (ii) 40% of 400 kg (iii) 20% of 15.125 litres (v) 2.5% of 600 metres**

(i) 7% of Rs. 7150 = (7/100) Ã— 7150 = 50050/100 = Rs. 500.50

(ii) 40% of 400 kg = (40/100) Ã— 400 = 16000/100 = 160 kg

(iii) 20% of 15.125 litres = (20/100) Ã— 15.125 = 302.5/100 = 3.025 litres

(v) 2.5% of 600 metres = (2.5/100) Ã— 600 = 1500/100 = 15 metres

**Find the number whose **

Let the number be x.

**What is the number, of which is 2?**

Let the number be x.

**If 6 is 50% of a number, what is that number?**

Let the number be x.

50% of *x = *6

â‡’ (50/100) *Ã— x = *6

â‡’ *x = *600/50

â‡’ *x = *12

So, the number is 12.