Interested to Buy Any Domain ? << Click Here >> for more details...
Radius of sphere is increased by 50%. By how much percentage
is surface area is increased?
- 13 Answers
- 48596 Views
- GD Goenka, Mascot, I also Faced
- E-Mail Answers
Answer Posted / satyam
1st sphere=x and 2nd sphere=y then
x=4(22/7)×100 50=4(22/7)150
y=4(22/7)×100=4(22/7)100
area={(x-y/x))r2
={4(22/7)150-4(22/7)100/4(22/7)100}r2
={4(22/7)50/4(22/7)100}r2
={50/100}r2
=.5×r2 ;0.5×0.5=0.25 = 100 25= 125%
| Is This Answer Correct ? | 10 Yes | 3 No |
Post New Answer View All Answers
Hansie made the following amounts in seven games of cricket in India: Rs.10, Rs.15, Rs.21, Rs.12, Rs.18, and Rs.17(all figures in crores of course). Find his average earnings.
HERE = COMES – SHE, (Assume s = 8), Find value of R + H + O
If A = x3y2x3y2 and B=xy3xy3, then find the HCF of A, B
A dealer sells 3 sets at Rs.2400 each ,one at 20% gain and the other at 20% loss. what is the overall gain or loss.
A person grows cabbage, he uses a larger square this year than previous year and produces cabbages than previous year.what is the no. of cabbages produced this year
A triangle has sides of lengths 10, 24 and k. k is a positive integer. The number of values of k for which this triangle has three acute angles is
4i+8j+10k. something like this.
Choose the odd man out from the below mentioned options?
(7*7=49)(4*9=36)(3*6=18) (1*8=8)
Want to get some material for apptitud e for banking preparation
A printer produced 176,400 pages in a given day. If the printer was in operation for seven hours during the day, how many pages did it print per minute?
If a and b are positive integers and (a-b)/3.5 = 4/7, then the relation between a and b is
If A=Z, B=Y, C=X, .......... Z=A, Then SOUR = ?
Ajay can build a house in 16 days and Barry can do the same job in 12 days. With help of Chintu, they did the job in 4 days only. How many days Chintu can do the job?
A certain number of bullets were shared by 3 people equally.Each of them fired 4 bullets and the sum of the remaining bullets was equal to the initial share each had got.what was the initial number of bullets?
