The difference between a number and its three-fifth is 50. What is the number? (a) 75 (b) 100 (c) 125 (d) 80 (e) None of these

7 Answers   IBPS, UPSC,

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There is a school with 100 students and correspondingly 100 lockers, all of which start off closed. The first student opens every locker and the second students closes every other locker starting with the second (2,4,6...etc..) . The 3rd student changes the state of the lockers numbered (3,6,9.. etc.). The fourth student changes the state of the lockers numbered (4,8,12.. etc..).. This continues until all the 100 students passes along the lockers.. when all the 100 student is done which locker is closed and which locker is in open condition?

6 Answers   TCS, Zoho,

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The total expense of a boarding house are partly fixed and partly variable with the number of boarders. The charge is Rs.70 per head when there are 25 boarders and Rs.60 when there are 50 boarders. Find the charge per head when there are 100 boarders?

3 Answers   IBM, SJT,

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Q2. Pipe A takes 16 min to fill a tank. Pipes B and C, whose cross-sectional circumferences are in the ratio 2:3, fill another tank twice as big as the first. If A has a cross-sectional circumference that is one-third of C, how long will it take for B and C to fill the second tank? (Assume the rate at which water flows through a unit cross-sectional area is same for all the three pipes.)

5 Answers   HCL,

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In a mixture, R is 2 parts and S is 1 part. In order to make S to 25% of the mixture, how much of R is to be added? explain how can i solve it??

4 Answers   Deloitte, TCS,

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In a certain club the ratio of number of boy to girl is 5:3 what percent of the member of the club are the girls

4 Answers  

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for how many positive integers a,is it true that a*a<=2a

2 Answers  

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if 30 men completes a job in 15 days working 9 hrs per day..how much hours per day should 40 men work ?? a ) 35 b)7 1/2 c)30 d) none

8 Answers   Accenture,

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what is diff b//w the singly reinforced beam,doubly reinforced beam?

0 Answers  

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Which team won the National Football League this year?

1 Answers   RRB,

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for each hour an watch is going slow by 30 seconds now time is 8 a.m. what will be the actual time at 8 p.m.

4 Answers   Wipro,

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One train leaves Los Angeles at 15mph heading for New York. Another train leaves from New York at 20mph heading for Los Angeles on the same track. If a bird, flying at 25mph, leaves from Los Angeles at the same time as the train and flies back and forth between the two trains until they collide, how far will the bird have traveled?

1 Answers   Microsoft,

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