Linear Equations – Word Problem

June 22, 2015


Kanishk says to Tarun, “If you give me Rs 100 rupees, I will be twice as rich as you are”. Tarun replies to Kanishk, “If you give me Rs 10, I will be 6 times as rich as you”. Find out how much money is with Kanishk and Tarun?   Click for solution to Linear […]

Find the Area of the Square?

June 21, 2015


Given ABC is a right triangle with angle B = 900. AB = BC = 6 cm DEFG is a square. Find the Area of the square? Click for solution to Area of Square

When do the Cars Meet?

June 19, 2015


A red car and a blue car set off from the same point to travel the same journey. The red car has a start of three minutes before the blue car sets off. If the red car travels at 40km/hr and the blue car travels at 60km/hr  , how many kilometres will have been travelled when the […]

Posted in: Algebra, Train Problems

Multiplication Made Simple

April 28, 2015


Problems Involving GCD and LCM

April 25, 2015


1. Find the greatest 6 digit number exactly divisible by 24, 15, and 36? 2. Find the smallest number which when divided by 35, 56 and 91 leaves a remainder of 7? 3. A rectangular courtyard is 18 m 72 cm long and 13 m 20 cm broad. It is to be paved with square […]

Posted in: Algebra, GCD, LCM

Problems involving Finding GCD

April 18, 2015


1. The length, breadth and height of a room are 8.25 m, 6.75 m and 4.50 m. Determine the longest scale that can measure the length of the three dimensions exactly? 2. 105 goats, 140 donkeys and 175 cows have to be taken across the river. There is only one boat which will have to make […]

Posted in: Algebra, GCD

Infinite Geometric Series

March 27, 2015


Find the sum of the following series: Things to Remember: Sum of Infinite Geometric Series : a/(1-r) a = First Term of the sequence r = Ratio of Consecutive Terms Click for solution to Infinite GP Problems 1 and 2 for Blog


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