Question

एक भवन के 10 बेलनाकार उस स्तंभों को रंगना है ।यदि प्रत्येक स्तंभ का व्यास 50 सेमी तथा ऊंचाई 4 मीटर हो तो 50 पैसे प्रति वर्ग मीटर की दर से रंगवाने पर व्यास ज्ञात कीजिए।​

Answer 1

Answer:

Bhai question dhang s likha kr, Diameter (Vyas) 50 cm pahle bola to fir vaps konsa diameter find out krna h?

Mne apne hisab s solve kiya h, glt kuch nhi kiya h pr question alg pucha h to obviously answer bhi alg hi hoga.

Step-by-step explanation:

Diameter d = 50cm

Radius r = 50/2 = 25cm = 1/4m

Height h = 4m

Area of 1 cylinder = π(r^2)h = (22/7) × (1/4)^2 × 4 = (22/7) × (1/16) × 4 = 88/112m^2 = 11/14m^2

Area of 10 Cylinders = (11/14) × 10 = 110/14m^2 = 7.85m^2

If 50 paise per square meter then total paise = 7.85 × 50 = 392.5 paise or 3.925 rupees