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

In a queue that comprises of 7 students.

A diet contains 400 grams of a mixture of two foods, food X and food Y.

David works at a resort from the beginning of March to the end of September.

If a certain number is divided by 12, the quotient, dividend, and divisor, added together, will amount to 64.

What is the area of the square with the following coordinates: (x, y), (20, 20), (20, 5), (x, 5)?

A person covered one-fourth of the total distance at 6 kmph and remaining distance at 24 kmph.

A no.when divided by 221 gives a remainder 43, what remainder will beobtained by dividingthe same no.17?

A, B and C can do a piece of work in 6 days, 12 days and 30 days respectively.

If Rs 1050 is divided into three parts, proportional to (1 / 3) : (3 / 4) : ( 4 / 6), then what is the first part?

A man buys a cycle for Rs. 1800 and sells it at a loss of 10%.

The center of a circle lies on the origin of the coordinate plane.

A is two years older than B who is twice as old as C.

What is the largest 4 digit number exactly divisible by 88

How many bricks, each measuring 25 cm x 11.25 cm x 6 cm, will be needed to build a wall of 4 m x 2 m x 25 cm?

The mean of 40 observations was 36.

The average of three numbers is 29.

A telephone number contains 10 digit, including a 3-digit area code.

A bus traveled from its depot to its destination at an average speed of 60 kilometers per hour.

A group of four mens and three womens have tickets for seven adjacent seats in one row of a theater.

If an integer n is to be selected at random from 1 to 900, inclusive, what is probability n(n+1) will be divisible by 9?

My watch gains 5 min every hour.

Due to construction, the speed limit along an 9-mile section of highway is reduced from 55 miles per hour to 35 miles per hour.

A man walking at a rate of 15km/hr crosses a bridge in 30 minutes.

If 6 spiders make 6 webs in 6 days, then 1 spider will make 1 web in how many days?