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

A 80 gallon solution of salt and water is 10% salt.

The sum of four consecutive even numbers is 84.

Out of seven numbers, average of first six number is 40 and average of last six number is 35. the first number is 55.

Four staff members at a certain company worked on a project.

The lunch menu at a certain restaurant contains 4 different entrees and 5 different side dishes.

When we multiply a certain two digit number by the

Find the value of (85 + 32/113) × 113

For an agricultural experiment, 500 seeds were planted in one plot and 200 were planted in a second plot.

There are 2 sections A and B in a class, consisting of 40 and 30 students respectively.

In a jar there are balls in different colors: blue, red, green and yellow.

If x - 5 > 2 and x + 3 < 7, the value of x must be between which of the following pairs of numbers?

The average weight of a group of persons increased from 48 kg to 51 kg, when two persons weighing 88 kg and 93 kg join the group.

If 20 toys cost Rs, 234, what do 35 toys cost?

A bakery currently has 7 pies and 4 cakes in its inventory.

In the rectangular coordinate system, if the line x = 6y + 5 passes through points (m,n) and (m + 2,n + p), what is the value of p?

I remember during the school days , the teacher asked the class "can you tell me the sum of the first 50 odd numbers ?".

Mary, Peter, and Lucy were picking chestnuts.

If there are 20 apples and the apples have to be shared equally among 3 babies.

The Natural Woman, a women's health food store, offers its own blends of trail mix.

H.C.F of 3240, 3600 and a third number is 36 and their L.C.M is 24 * 35 * 52 * 72.

In a simultaneous throw of a pair of dice, find the probability of getting a total more than 10

In a garden, 26 trees are planted at equal distances along a yard 600 metres long, one tree being at each end of the yard.

Set X consists of 5 integers and has median of 20 and a range of 20.

If the radius of a circle is decreased 30%, what happens to the area?