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.
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
A company installed 36 machines at the beginning of the year. In March they installed 9 additional machines and then disconnected 18 in August. How many were still installed at the end of the year.
27
If 12 file cabinets require 18 feet of wall space, how many feet of wall space will 30 cabinets require?
45
From its total income, A sales company spent Rs.20,000 for advertising, half of the remainder on commissions and had Rs.6000 left. What was its total income?
32000
The average length of three tapes is 6800 feet. None of the tapes is less than 6400 feet. What is the greatest possible length of one of the other tapes?
7600
A company rented a machine for Rs.700/- a month. Five years later the treasurer calculated that if the company had purchased the machine and paid Rs.100/- monthly maintenance charge, the company would have saved Rs.2000/-. What was the purchase price of the machine?
Rs.34000
