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

One type of liquid contains 20% of water and the second type of liquid contains 35% of water.

A metal company's old machine makes bolts at a constant rate of 100 bolts per hour.

In a box, there are 9 red, 7 blue and 6 green balls.

Two sides of a triangle have length 5 and 8.

Mixture S is 20% oil and 80% material B by weight.

You collect baseball cards. Suppose you start out with 21.

What number times (1⁄2)^2 will give the value of 2^3?

Randy'sbar serves customers every weeknight from 4 pm to 1 am.

An engineer designed a ball so that when it was dropped, it rose with each bounce exactly one-half as high as it had fallen.

The difference between the compound interest and simple interest accrued on an amount at the end of three years at the rate of 12% is Rs.381.888.

14, 23, 32, 41, 50, 59, … In the sequence above, each term is 9 more than the previous term.

For all integers a and b, a%b = (a + b)(a - b).

A invested $400 in a business after 6 months B invested $200 in the business.

A full-time employee’s hourly wage was increased by 10%.

A train passes a station platform in 37 seconds and a man standing on the platform in 20 seconds.

Double of Quarter of 2 percent written as a decimal is :

A shopkeeper sells 200 metres of cloth for Rs. 18000 at a loss of Rs.5 per metre.

Two trains start at same time from two stations and proceed towards each other at the rate of 20 km/hr and 25 km/hr respectively.

John spent a total of $135 on baseball tickets.

If p^2 – 13p + 40 = s, and p is a positive integer between 1 and 10, inclusive, what is the probability that s < 0?

If X gets 25% more than Y and Y gets 20% more than Z, the share of Z out of Rs. 740 will be:

The area of a triangle is with base 4m and height 5m?

Farm Tax is levied on the 60% of the cultivated Land.

A trader purchased two colour televisions for a total of Rs.