One person is wearing Black and White shoes as his pair. If he is having 20 white and 20 Black shoes. What will be the less number of time he have try to take his correct pair of shoes.

A cube of 3 units is painted on all sides. If this cube is divided into cubes of 1 unit, how many cube have none of their faces painted?(a)3(b)2(c)1(d)0(e)none of these

4 thieves rob a bakery of the bread one after the other. Each thief takes half of what is present & half a bread. If at the end 3 bread remains, what is the number of bread that was present initially?

In A,B,C are having some marbles with each of them. A has given B and C the same number of marbles they already have to each of them. then, B gave C and A the same no. of marbles they have, then C gave A and B the same no. of marbles they have. At the end A,B,and C have equal no. of marbles.(i) If x,y,z are the marbles initially with A,B,C respectively. then the no of marbles B have at the end(a) 2(x-y-z) (b) 4(x-y-z) etc.(ii)If the total no. of marbles are 72, then the no. of marbles with A at

A clerk multiplied a number by ten when it should have been divided by ten. The ans he got was 100.what should the ans have been?

1  

A 16 stored building has 12000 sq.feet on each floor. Company A rents 7 floors and company B rents 4 floors. What is the number of sq.feet of unrented floor space.

60000  

If a clerk can process 80 cheques in half an hour, how many cheques can she process in a seven and one half hour day?

1200  

In A, B, C are having some marbles with each of them. A has given B and C the same number of marbles each of them already have. Then, B gave C and A the same number of marbles they already have. Then C gave A and B the same number of marbles they already have. At the end A, B, and C have equal number of marbles. If x, y, z are the marbles initially with A, B, C respectively. Then the number of marbles B have at the endA. 2(x-y-z)B. 4(x-y-z)C. 2(3y-x-z)D. x + y-z

C 

In A, B, C are having some marbles with each of them. A has given B and C the same number of marbles each of them already have. Then, B gave C and A the same number of marbles they already have. Then C gave A and B the same number of marbles they already have. At the end A, B, and C have equal number of marbles. If x, y, z are the marbles initially with A, B, C respectively. If the total number of marbles are 72, then the number of marbles with A at the startingA. 20B. 30C. 32D. 39

D