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

The sum of first seven prime numbers is?

Get Answer

How many times will the digit 3 be written when listing the integers from 1 to 1000?

Get Answer

The average weight of 16 boys in a class is 50.25 kg and that of the remaining 8 boys is 45.15 kg.

Get Answer

A train 200 m long can cross an electric pole in 20 sec and then find the speed of the train?

Get Answer

Ratio between Rahul and Deepak is 4:3, After 6 Years Rahul age will be 26 years.

Get Answer

Janexi covered a distance of 340 miles between city A and city B taking a total of 5 hours.

Get Answer

The product of the digits of the four-digit number W is 36.

Get Answer

Sachin is younger than Rahul by 18 years.

Get Answer

In how many W ways can 4 white and 3 black chess pieces be arranged in a row such that they occupy alternate places?

Get Answer

Express a speed of 16 kmph in meters per second?

Get Answer

Find the odd man out. 742, 743, 633, 853, 871, 990, 532

Get Answer

A certain office supply store stocks 2 sizes of self-stick notepads, each in 4 colors: blue, green, yellow, or pink.

Get Answer

It is the New Year and Mandy has made a resolution to lose weight this year.

Get Answer

The length of each side of square A is increased by 100 percent to make square B.

Get Answer

A company has two types of machines, type R and type S.

Get Answer

Fred has $200. If he wants to give each of his nine grandkids the same amount of money as a gift, how much money will Fred have left over for himself out of the $200?

Get Answer

Divide Rs. 1400 among A, B and C so that A receives 1/3 as much as B and C together and B receives 2/3 as A and C together.

Get Answer

The sum of all solutions for x in the equation x^2 – 8x + 21 = |x – 2|+ 5 is equal to:

Get Answer

A grocer purchased 80 kg of sugar at 13.50 per kg and mixed it with 120 kg sugar at 16 per kg.

Get Answer

A start walking from a place at a uniform speed of 3 kmph in a particular direction.

Get Answer

The rowing athletes in a rowing conference voted for coach of the year.

Calculate Answer

Of 300 surveyed students, 20% of those who read book A also read book B and 50% of those who read book B also read book A.

Calculate Answer

At what rate percent of simple interest will a sum of money double itself in 44 years?

Calculate Answer

A and B runs around a circular track.

Calculate Answer