Q&Answers: Math/Chemistry/Physics Problems + Solutions

What is the remainder when 49^74 - 5^74 is divided by 24?

For an employee to qualify for early retirement at a certain company, the sum of the employee’s age and years of service must be at least 72, If Sue was K years old when she was hired by the company, what is the minimum age at which she could possibly qualify for early retirement.

Reduce 368/575 to the lowest terms

If the area of a square with sides of length 8 centimeters is equal to the area of a rectangle with a width of 4 centimeters, what is the length of the rectangle, in centimeters?

A committee of three people is to be chosen from four teams of two.

How many words can be formed by using all letters of the word 'SCOUNDREL' ?

A train running at the speed of 70 km/hr crosses a pole in 36 seconds.

Jim is twice as old as Stephanie, who, four years ago, was three times as old as Kate.

If t is the product of the integers from 1 to 30, inclusive, what is the greatest integer k for which 3^k is a factor of t ?

On a certain day, orangeade was made by mixing a certain amount of orange juice with an equal amount of water.

In a single throw of a die, what is the probability of getting a number greater than 4?

A data set with a mean of 60 has a standard deviation of 4.5.

If a, b are the two roots of a quadratic equation such that a + b = 24 and a – b = 8, then the quadratic equation having a and b as its roots is :

A warehouse is labeling computer inventory with 4-digit codes.

A certain class of students is being divided into teams.

A bag contains 12 white &18 black balls. 2balls are drawn in succession.

If [[x]] = x^2 + 2x + 4, what is the value of [[7]]?

The price of 5 kilograms of premium fertilizer is the same as the price of 16 kilograms of regular fertilizer.

A certain debt will be paid in 65 installments from January 1 to December 31 of a certain year.

Circular gears L and R start to rotate at the same time at the same rate.

The distance from City A to City B is 60 miles.

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The speed of a boat in still water is 15 km/hr and the rate of current is 3 km/hourr.

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A,B and C are employed to do apiece of work for Rs.529.

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In what time will a car 10 m long moving at the rate of 36 kmph pass a telegraph post on its way?

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