A metallic wire of uniform cross-section is melted to form 28 small solid spheres of radius 12.6 cm each
A metallic wire of uniform cross-section is melted to form 28 small solid spheres of radius 12.6 cm each

A metallic wire of uniform cross-section is melted to form 28 small solid spheres of radius 12.6 cm each. If the radius of wire is 1/7   time more than the radius of each sphere, what is the length of the wire?

(a)          260 cm

(b)          360 cm

(c)           326 cm

(d)          390 cm

Sol:
quantitative aptitude
Gkseries: Gkseries.com is a premier website to provide complete solution for online preparation of different competitive exams like UPSC, SBI PO, SBI clerical, PCS, IPS, IAS, IBPS PO, IBPS Clerical exam etc. & other graduate and post-graduate exams. Learn more on about us page
Related Post
  1. Sin⁶ + cos⁶ is equal to
  2. A vessel of 115 litres is filled with milk and water. 70% of milk and 40% of water is taken out of the vessel it is found that the vessel is
  3. What is the average of all the one digit, two digit and three digit natural numbers