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

If 1 = 6 2 = 12 3 = 18 4 = 24

A city council will select 2 of 8 available firefighters and 1 of 6 available police officers to serve on an advisory panel.

Get Answer

The angle between the minute hand and the hour hand of a clock when the time is 8:30

Get Answer

If x^2 − 2x − 15 = (x + r)( x + s) for all values of x, and if r and s are constants, then which of the following is a possible value of r − s?

Get Answer

the sum of the ages of 5 children born at the intervals of 3 year each is 50 year. what is the age of the youngest child ?

Get Answer

Working together, John and Jack can type 30 pages in one hour.

Get Answer

A man divides his property so that his son’s share to his wife’s and the wife’s share to his daughter are both in the ratio 3 : 1.

Get Answer

A merchant has 100 lbs of sugar, part of which he sells at 7% profit and the rest at 17% profit.

Get Answer

Naomi drives to the beauty parlor in 60 minutes.

Get Answer

If the price of 20 toys is 540, then what will the price of 15 toys ?

Get Answer

A clock loses two minutes every three hours for 4 days and gains 1% in the subsequent 6 days.

Get Answer

If the bus had traveled 60 kmh faster than it actually did, the trip of 120 km would have lasted 1 hour less.

Get Answer

The sum of two numbers is 95.

Get Answer

Three people each took 5 tests.

Get Answer

You buy a piece of land with an area of âˆš400, how long is one side of the land plot?

Get Answer

#p is defined as 2p-20 for any number p.

Get Answer

If 2^z is a factor of 25!, which of the following could be the value of z?

Get Answer

If 4 men can colour 48 m long cloth in 2 days, then 2 men can colour 36 m long cloth in

Get Answer

A sum of Rs.4700 is invested at a compound interest for three years, the rate of interest being 10% p.a., 20% p.a. and 25% p.a. for the 1st, 2nd and the 3rd years respectively.

Get Answer

Cost of 2 bats and 3 balls is Rs.1300.

Get Answer

If XY denotes X is raised to the power Y, Find the last two digits of 19413846+ 19614181

Calculate Answer

If two integers x, y (x>y) are selected from -10 to 4 (inclusive), how many possible cases are there?

Calculate Answer

In a certain pond, 30 fish were caught, tagged, and returned to the pond.

Calculate Answer

A light has a rating of 60 watts, it is replaced with a new light that has 12% higher wattage.

Calculate Answer