SSC AtoZ

Percentage Maths Trick, Question with solution PERCENT The word percent means “divided by hundred”. The word percent come from “Per Centum” The word centum means hundred. Percent means ” out of 100″ . we use the percent symbol is %. A percent can always be written as a decimal, and a decimal can be written […]

Time and work mathematical problem and solutions   Work is defined as the amount of job assigned or the amount of job actually done. work is always considered as a whole or 1. 1.  If A can do a piece of work in ‘a’ number of days, then in one day (1/a)th of the work is […]

Ratio and Proportions Math trick Problem and solution   Ratio: A ratio is a fraction that compares two quantities that are measured in the same units. Ratio of two quantities a and b of the same kind  is a/b is denoted by the a:b, and read as a is to b. Properties of the ratios: […]

Average Maths Short Tricks, Questions with Solutions What is average? The average of a group of  set of N number is define as the  sum of those numbers divided by N. Here N is the number of values of observation in a set. Average = sum of N number/ Number of observations   A=Sum/N or […]