A tank can be filled by pipe A in 30 minutes and by pipe B in 24 minutes. Outlet pipe C can empty the full tank in X minutes. If the tank is empty initially and if all the three pipes A, B and C are opened simultaneously, the tank will NEVER be full. Give the maximal possible value of X.
1 5792A worker earns a 5% raise. A year later, the worker receives a 2.5% cut in pay, & now his salary is Rs. 22702.68 What was his salary to begin with?
3 9454500 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 come out. And the shortest among them is A. Similarly after resuming them to their original positions, the shortest among each column are asked to come out. And the tallest among them is B. Now who is taller A or B ?
5 6926At the Party: 1. There were 9 men and children. 2. There were 2 more women than children. 3. The number of different man-woman couples possible was 24. Note that if there were 7 men and 5 women, then there would have been 35 man-woman couples possible. Also, of the three groups - men, women and children - at the party: 4. There were 4 of one group. 5. There were 6 of one group. 6. There were 8 of one group. Exactly one of the above 6 statements is false. Can you tell which one is false? Also, how many men, women and children are there at the party?
2 6859There is a shortage of tubelights, bulbs and fans in a village - Kharghar. It is found that ? All houses do not have either tubelight or bulb or fan. ? exactly 19% of houses do not have just one of these. ? atleast 67% of houses do not have tubelights. ? atleast 83% of houses do not have bulbs. ? atleast 73% of houses do not have fans. What percentage of houses do not have tubelight, bulb and fan?
2 16785One side of the bottom layer of a triangular pyramid has 12 balls. How many are there in the whole pyramid? Note that the pyramid is equilateral and solid.
2 10097A blindfolded man is asked to sit in the front of a carrom board. The holes of the board are shut with lids in random order, i.e. any number of all the four holes can be shut or open. Now the man is supposed to touch any two holes at a time and can do the following. ? Open the closed hole. ? Close the open hole. ? Let the hole be as it is. After he has done it, the carrom board is rotated and again brought to some position. The man is again not aware of what are the holes which are open or closed. How many minimum number of turns does the blindfolded man require to either open all the holes or close all the holes? Note that whenever all the holes are either open or close, there will be an alarm so that the blindfolded man will know that he has won.
4 11641In the middle of the confounded desert, there is the lost city of "Ash". To reach it, I will have to travel overland by foot from the coast. On a trek like this, each person can only carry enough rations for five days and the farthest we can travel in one day is 30 miles. Also, the city is 120 miles from the starting point. What I am trying to figure out is the fewest number of persons, including myself, that I will need in our Group so that I can reach the city, stay overnight, and then return to the coast without running out of supplies. How many persons (including myself) will I need to accomplish this mission?
2 9585At what time after 4.00 p.m. is the minutes hand of a clock exactly aligned with the hour hand?
11 55911In the town called Alibaug, the following facts are true: ? No two inhabitants have exactly the same number of hairs. ? No inhabitants has exactly 2025 hairs. ? There are more inhabitants than there are hairs on the head of any one inhabitants. What is the largest possible number of the inhabitants of Alibaug?
HCL,
1 7200There are four groups of Mangoes, Apples and Bananas as follows: Group I : 1 Mango, 1 Apples and 1 Banana Group II : 1 Mango, 5 Apples and 7 Bananas Group III : 1 Mango, 7 Apples and 10 Bananas Group IV : 9 Mango, 23 Apples and 30 Bananas Group II costs Rs 300 and Group III costs Rs 390. Can you tell how much does Group I and Group IV cost?
1 11097Tic-Tac-Toe is being played. One 'X' has been placed in one of the corners. No 'O' has been placed yet. Where does the player that is playing 'O' has to put his first 'O' so that 'X' doesn't win? Assume that both players are very intelligent. Explain your answer
2 5352Amit, Bhavin, Himanshu and Rakesh are sitting around a table. ? The Electonics Engineer is sitting to the left of the Mechanical Engineer. ? Amit is sitting opposite to Computer Engineer. ? Himanshu likes to play Computer Games. ? Bhavin is sitting to the right of the Chemical Engineer. Can you figure out everyone's profession?
3 5905
P pages read in d mins after day p+1 pages read in d+1 mins last day 379 pages done in 317 mins find p+4
4_4_4_4=22 use all sign of maths
In rail road there are some stations. Each station should have tickets to all other stations.If they add some new stations they need 46 more tickets.How many stations are there before and after adding the stations?
Three neighbours are there. 1st one lends 2nd and 3rd that many no.of tractors that then already each had.After few months , 2nd lends to 1st and 3rd that many tractors then they had. After a few months 3rd lends to 1st and 2nd that many tractors then they had.Now each of them got 24. Find howmany they had initially?
what job position/s are you currently holding with your current employer?
4 cards are placed on a table, each card has two colors. U don't 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 poeple 2 always lie. They see the color on the reverse side and give the following comment A: Yello/green B: Neither Blue/nor Green c: Blue/Yello D: Blue/ Yello find out the color on the other side of the 4 cards. No. of animals is 11 more than the no. of birds. If the no. of birds were the no. of animals and no. of animals were the no. of birds( ie., interchanging no.s of animals and birds.), the total no. of legs get reduced by one fifth (1/5). How many no. of birds and animals were there?
In a soap company a soap is manufactured with 11 parts. For making one soap you will get 1 part as crap. At the end of the day u have 251 such scraps. From that how many soaps can be manufactured?
There is puzzle with the word "CONSTANTINE" and exactly don't know the question if anybody knows the Q&A plz send it ahmed.basha.munna@gmail.com
sir i need generalKnowledge previous questions for rrb secunderabad goods guard exam
why should we hire the others waiting to be interviewed?
At 6o'clock ,a watch strokes 6 times.The time between first and last is 30secs.At midnight 12o' clock how much time for all strokes?
what three specific job positions do you target from qatar airways group u.k?
how soon can you travel down to start your new job?
sir i need catholic syrian bank previous question papers fully. it will be helpful for me to greater extend .please do the needful to me.
IDear sir, I have had a data containing of 4 numbers on daily basis for which I would like to know what is the next comming 4 numbers. Based on that data I would like to find out the next comming numbers. Support needed. regards chandramohan gudivada 09849974512 cm116_99@yahoo.com Example : 4513, 4132, 1465, 2941, 1762, 1432, 3412, 5283, 7261, 2643, 4751, 2581, 6513 .... and what is the next number in the sequence?
