Q&Answers: Math/Chemistry/Physics Problems + Solutions
On the xy-coordinate plane, point A lies on the y-axis and point B lies on the x-axis.
Get AnswerA can complete a work in 18days and B can do the same work in 10days.
Get AnswerIf x2 - y2 = -12 and x + y = 6, find x and y.
Get AnswerIf n is the smallest integer such that 108 times n is the square of an integer, what is the value of n?
Get AnswerIf p and r are integers, and p^2 = 20r, then r must be divisible by which of the following?
Get AnswerThe difference between the weights of two girls is 10 kgs.
Get AnswerIf 25 men do a work in 96 days, in how many days will 40 men do it?
Get AnswerFour different children have jelly beans: Aaron has 7, Bianca has 7, Callie has 8, and Dante has 11.
Get AnswerThe ratio between the number of sheep and the number of horses at the Stewar farm is 3 to 7.
Get AnswerOn average, the bottle-nosed dolphin comes up for air once every two minutes; the beluga whale, a close relative, comes up for air on average once every five minutes.
Get AnswerSet A consists of all the prime numbers between 12 and 32.
Get Answer12.5 * 3.2 * 6.8 = ?
Get AnswerBy how much is three-fifth of 250 greater than four- seventh of 210 ?
Get AnswerOne robot builds a robot in 1 hour, another one builds a robot in 2 hours.
Get AnswerIn a mayoral election, Candidate X received 1/3 more votes than candidate Y, and Candidate Y received 1/7 fewer votes than Z.
Get AnswerThere are n cities. What is the number of airlines that connected 4 different cities (airline from city A to city B is different with airline from city B to city A)?
Get AnswerA father said to his son, "I was as old as you are at the present at the time of your birth".
Get Answer25 * 25* 25 * 25 * 25 = 5^ ?
Get AnswerThree numbers A,B,Care in ratio 1:2:3.
Get AnswerLook at this series: 83, 73, 93, 63, __, 93, 43, ...
Get AnswerIn a party every person shakes hands with every other person.
Calculate AnswerThere is a 20% chance Sandy will visit China this year, while there is a 60% chance that she will visit Malaysia this year.
Calculate AnswerJohn traveled 80% of the way from Yellow-town to Green-fields by train at an average speed of 80 miles per hour.
Calculate AnswerA copy machine, working at a constant rate, makes 25 copies per minute.
Calculate Answer