A circular road runs round a circular ground. If the
difference between the circumference of the outer circle
and inner circle is 44 meters, find the width of the road?

Answer Posted / santanu chakraborty

2#(r1-r2)=44
or, r1-r2=7

so the width is 7m

Is This Answer Correct ?    9 Yes 0 No



Post New Answer       View All Answers


Please Help Members By Posting Answers For Below Questions

Consider a pile of Diamonds on a table.A thief enters and steals 1/2 of th e total quanity and then again 2 extra from the remaining. After some time a second thief enters and steals 1/2 of the remaining+2. Then 3rd thief enters and steals 1/2 of the remaining+2.Then 4th thief enters and steals 1/2 of the remaining+2.When the 5th one enters he finds 1 diamond on the table.Find out the total no. of diamonds originally on the table before the 1st thief entered.

769


A and B's temperature are 10°c and 20°c having same surface , then their ratio of rate of emmisions is ?

724


Complete the given number series 240, 240, 120, 40,?, 2 ?

791


there is a 4 inch cube painted on all sides. this is cut into no of 1 inch cubes. what is the no of cubes which have no pointed sides.

779


Asmita invests an amount of Rs. 9535 at the rate of 4 per cent per annum to obtain a total amount of Rs. 11442 on simple interest after a certain period. For how many years did she invest the amount to obtain the total sum?

1086






THERE ARE 3 PILES OF BOOKS ON THE TABLE YOU NEED TO ARRANGE THEM IN THE SELF SUCH THAT 1ST BOOK OF EACH PILE GETS PLACED ON THE SELF,WHAT IS THE POSSIBLE NO OF ARRANGEMENTS

3119


A boy multiplied a number with 10 and got 100,instead of dividing it . If he divided it what would be the answer?

1005


complete the series: a c b d f e g i __

1043


George while driving along the highway saw road markers which are at equal distances from each other. He crosses the markers every 20 seconds. If he increases his speed by x meters per second, he crosses the markers at every 15 seconds. But if he increases his speed by y meters per second, he crosses the marker at every 10th second. If y-x = 40 meters per second, then what is the distance between two markers.

916


The time showed by the clock at a moment is 8 am then the respective time of after and before 42896 hours is :

1263


500 men are arranged in an array of 10 rows and 50 columns according to their heights. Tallest among each row of all are asked to fall out. And the shortest among them is A. Similarly after resuming that to their original podsitions that the shortest among each column are asked to fall out. And the tallest among them is B . Now who is taller among A and B ?

773


Four Members A, B, C, D are playing a game .A person losing a game should double the amount of others .B, C, D are losing in order after three games .The amount after 3 games are A&B having 40,D is having 16&C 80. Who started with greatest amount of money?

784


(998-1)(998-2)(998-3).....(998-n)= ? when n>1000

924


starting from 2 upto how many numbers we need to check whether 907 is prime or not?

1344


Differences you see in private and public bank?

1814