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There is a safe with a 5 digit number as the key. The 4th digit is 4 greater than the second digit, while the 3rd digit is 3 less than the 2nd digit. The 1st digit is thrice the last digit. There are 3 pairs whose sum is 11. Find the number.
2 9062My friend collects antique stamps. She purchased two, but found that she needed to raise money urgently. So she sold them for Rs. 8000 each. On one she made 20% and on the other she lost 20%. How much did she gain or lose in the entire transaction?
3 32672Assume for a moment that the earth is a perfectly uniform sphere of radius 6400 km. Suppose a thread equal to the length of the circumference of the earth was placed along the equator, and drawn to a tight fit. Now suppose that the length of the thread is increased by 12 cm, and that it is pulled away uniformly in all directions. By how many cm. will the thread be separated from the earth's surface?
4 10076Scientist decided to do a study on the population growth of rabbits. Inside a controlled environment, 1000 rabbits were placed. Six months later, there were 1000Z rabbits. At the beginning of the 3rd year, there were roughly 2828Z rabbits, which was 4 times what the scientists placed in there at the beginning of the 1st year. If Z is a positive variable, how many rabbits would be there at the beginning of the 11th year?
1 6035A man is stranded on a desert island. All he has to drink is a 20oz bottle of sprite. To conserve his drink he decides that on the first day he will drink one oz and the refill the bottle back up with water. On the 2nd day he will drink 2oz and refill the bottle. On the 3rd day he will drink 3oz and so on... By the time all the sprite is gone, how much water has he drunk?
3 12391You have four 9's and you may use any of the (+, -, /, *) as many times as you like. I want to see a mathematical expression which uses the four 9's to = 100 How many such expressions can you make?
1 7355Two planes take off at the same exact moment. They are flying across the Atlantic. One leaves New York and is flying to Paris at 500 miles per hour. The other leaves Paris and is flying to New York at only 450 miles per hour ( because of a strong head wind ). Which one will be closer to Paris when they meet?
18 10705012 members were present at a board meeting. Each member shook hands with all of the other members before & after the meeting. How many hand shakes were there?
8 64294Arrange five planets such that 4 of them add up to 5th planet numerically. Each of the letters of the planet should represent a unique number from the range 0 - 9. You have to use all ten digits. There is an amazing mathematical relationship exists among the names of the planet.
2 8016You have 14 apples. Your Friend Marge takes away 3 and gives you 2. You drop 7 but pick up 4. Bret takes 4 and gives 5. You take one from Marge and give it to Bret in exchange for 3 more. You give those 3 to Marge and she gives you an apple and an orange. Frank comes and takes the apple Marge gave you and gives you a pear. You give the pear to Bret in exchange for an apple. Frank then takes an apple from Marge, gives it to Bret for an orange, gives you the orange for an apple. How many pears do you have?
5 22706Four couples are going to the movie. Each row holds eight seats. Betty and Jim don't want to sit next to Alice and Tom. Alice and Tom don't want to sit next to Gertrude and Bill. On the otherhand, Sally and Bob don't want to sit next to Betty and Jim. How can the couples arrange themselves in a row so that they all sit where they would like?
4 9834Substitute digits for the letters to make the following addition problem true. W H O S E T E E T H A R E + A S ------------------- S W O R D S Note that the leftmost letter can't be zero in any word. Also, there must be a one-to-one mapping between digits and letters. e.g. if you substitute 3 for the letter H, no other letter can be 3 and all other H in the puzzle must be 3.
1 8326There were N stations on a railroad. After adding X stations 46 additional tickets have to be printed. Find N and X.
2 16789An emergency vehicle travels 10 miles at a speed of 50 miles per hour. How fast must the vehicle travel on the return trip if the round-trip travel time is to be 20 minutes?
2 36138All of the students at a college are majoring in psychology, business, or both. 73% of the students are psychology majors, & 62% are business majors. If there are 200 students, how many of them are majoring in both psychology & business?
6 28419
There is a 4 inch cube painted on all sides. This is cut down into of 1 inch cubes. What is the no of cubes which have no pointed sides.
A, B ans C are three speakers. They have to speak randomly along with another 5 speakers in a function. A has to speak before B and B has to speak before C. What is the probability.
A string of alphanumeric is there. Find a string that starts with b and ends with 3 characters.
sir i need rrb secunderabad goods guard previous exam model papers
13_46_8_180_210_75 = 64 . Use + and – in the empty places to make the equation holds good. Take m = number of + and n = number of – . Find m – n?
hi sir i am doing b.e final year computerscience i want merittracks model question paper pls send link for all merittraks question paper..
Two trains 100 meters and 120 meters long are running in the same directions with speed of 72 km/hr and 54 km./hr. in how much time will the first train cross the second?
Find the Series number: 0,2,3,5,8,10,15,17,24,26,..
3/p=6, 3/q=15 ......find p-q
Two trains at speed 60 km/hr come in the opposite direction. At a particular time the distance between the two trains is 18km. A shuttle flies between the trains at the speed of 80 km/hr. At the time the two trains crashes what is the distance traveled by shuttle?
The first United States Solicitor General, Benjamin H. Bristow, __________________________ was born in 1832 and served in the Grant administration from 1874 to 1876. Earlier in his life, Bristow served as a lieutenant colonel in the 25th Kentucky Infantry was born in 1832 and had served in the Grant administration from 1874 to 1876. Earlier in his life, Bristow served as a lieutenant colonel born in 1832 and served in the Grant administration from 1874 to 1876. Earlier in his life, Bristow had served as a lieutenant colonel in the 25th Kentucky Infantry born in 1832 and appointee in the Grant administration from 1874 to 1875. Earlier in his life, Bristow served as a lieutenant colonel in the 25th Kentucky Infantry
Find the value of the 678 to the base 7.
In a fraction, if 1 is added to both the numerator at the denominator, the fraction becomes 1/2. If numerator is subtracted from the denominator, the fraction becomes 3/4. Find the fraction.
A can have a piece of work done in 8 days, B can work three times faster than the A, C can work five times faster than A. How many days will they take to do the work together ?
Which of the following does multithreading allow? A. several transactions that require the same program to use one copy of the program. B. many tasks to be allocated to the terminal. C. an audit trail of all files records from all files updated by a particular application
