In a maThematic there are 1,2,3,....9 cities  and each number corresponds to a city. Now an airflight route is to be established between two cities such that the numeral formed is divisible by 3. (eg. if 1 and 2 are connected then it satisfies the condition). Find out the number of cities which are connected to city 8, either directly or indirectly.

5 cities 

Three friends divided some bullets equally. After all of them shot 4 bullets the total no. of remaining bullets is equal to that of one has after division. Find the original number divided.

x x x x-4 x-4 x-4 3x-12 = x x= 6 answer is 18  

A ship went on a voyage after 180 miles a plane started with 10 times speed that of the ship. Find the distance when they meet from starting point.

180 + (x/10) = x x = 20 answer is 180+20=200miles.  

There are 3 societies a, b, and c. A lent tractors to B and C as many as they had. After some time B gave as many tractors to A and C as many as they have. After sometime c did the same thing. At the end of this transaction each one of them had 24. Find the tractors each originally had.

A had 39, B had 21, C had 12,  

There N stations on a railroad. After adding x stations 46 additional tickets have to be printed. Find N and X.

let N(N-1) = t; (N+x)(N+x-1) = t+46; trail and error method x=2 and N=11  

b=1 e=9  

Latest Answer : hai friends we can also have another answer for that 11*11=121    here b=1 ,e=1 and acb=121  here also both ways b=1 so can we take both the answers that is  b==1,1e=1,9 that is 11*11=121and also 19*19=361 ...

A,b,c,d,e are having numerical values. there are some conditions given a) a=c <===> b!=e b) difference between a and c as same as difference between c and b as same as difference between a and d c) cd then find a,b,c,d,and e

There are 3 nurses and they work altogether only once in a week. no nurse is called to work for 3 consecutive days. nurse 1 is off on tueseday, thursday and Sunday. nurse 2 is off on Saturday. nurse 3 is off on Thursday, Sunday. no two nurses are off more than once a week. find the day on which all the 3 nurses were on work.

There are 5 persons a,b,c,d,e and each is wearing a block or white cap on his head. a person can see the caps of the remaining 4 but can t see his own cap. a person wearing white says true and who wears black says false. i) a says i see 3 whites and 1 block ii) b says i see 4 blocks iii) e says i see 4 whites iv) c says i see 3 blocks and 1 white. now find the caps worn by a,b,c,d and e

4 cards are placed on a table, each card has two colors. U dont know the color of the back side of eachcard.4 persons A B C and D are sitting on the table before the cards. They can see Red, Green Red and blue .Out of the 4 people 2 always lie. They see the color on the reverse side and give the following comment A: Yellow/green B: Neither Blue/nor Green c: Blue/Yellow D: Blue/ Yellow find out the color on the other side of the 4 cards.