Q&Answers: Math/Chemistry/Physics Problems + Solutions
In 2005, 30 percent of the math department’s 40 students were female, and in 2007, 40 percent of the math department’s 65 students were female.
Get AnswerHow many different ways can 2 students be seated in a row of 7 desks, so that there is always at least one empty desk between the students?
Get AnswerA 300 m long train crosses a platform in 54 sec while it crosses a signal pole in 18 sec.
Get AnswerHow many even four-digit integers smaller than 2000 are there such that all their digits are different?
Get AnswerWhat is the largest number of four digits which is divisible by 15, 25, 40 and 75 ?
Get AnswerIf x+y=20, x-y=10, for integers of x and y, x=?
Get AnswerMary's income is 60% more Than Tim's income and Tim's income is 10% less than Juan's income.What % of Juan's income is Mary's income.
Get AnswerFind large number from below question The difference of two numbers is 1500.
Get AnswerBased on this year's costs, an orchard grower budgets P dollars for planing N new trees next year.
Get AnswerIf the price has fallen by 16% what percent of its consumption be: increased so that the expenditure may be the same as before?
Get AnswerA farmer with 1,350 acres of land had planted his fields with corn, sugar cane, and tobacco in the ratio of 5:2:2, respectively, but he wanted to make more money, so he shifted the ratio to 2:4:3, respectively.
Get AnswerFrom 6 positive numbers and 7 negative numbers, how many groups of 4 numbers, yielding a positive product, can be formed?
Get AnswerA bookseller sells his books at a 15% markup in price.
Get AnswerTwo isosceles Triangles have equal vertical angles and their areas are in the ratio 25:49.
Get AnswerFind the fourth proportion to 5,10,85
Get AnswerIf a - b = 3 and a^2 + b^2 = 31, find the value of ab.
Get AnswerLook at this series: 30, 27, 32, 29, 34, 31, ...
Get AnswerFind the area of a rectangular field if John walking at the speed of 48m/min took 20 seconds to cross the field diagonally and Harry walking at a speed of 72m /min took 15 seconds to cross the field along its sides.
Get AnswerA boy wants to go abroad by boat and return by flight.
Get AnswerOf the 60 pizzas a being ordered, 25% are pepperoni.
Get AnswerIf 6log(4*5^2) = x, find x
Calculate AnswerThe cost price of a radio is Rs.1390 and it was sold for Rs.890, find the loss %?
Calculate AnswerJim drove 215 miles of a 1200 miles journey.
Calculate AnswerIn a certain corporation, there are 300 male employees and 100 female employees.
Calculate Answer