Problem on probability. Coin tossing problem in probability.
Easy Mathematics. Mind calculation for percentage problems. A shortcut method.
Solved Example of Simple interest calculation.
Solved Example to find the nature of the roots of the equation
Solved example of numerical problem.
Solution to the probability problem in getting a prize in lottery.
Solution to the probability problem of tossing dice and getting the sum as a prime number.
Analytical Puzzles – Logical Reasoning Tutorial. Que: A student went to class at quarter to ten.After 15 minutes his professor came who is late to the class by 25 minutes.At what time should the class start? 1)9:25 2)9:35 3)9:40 4)9:45 5)9:30 Ans: 9:35 Watch Video Tutorial of Quantitative Aptitude : Analytical Puzzles – Logical Reasoning […]
Logical Reasoning – Letter Series Tutorial. How to work out a letter series in an easy way? Que: Fill the letter series A, B, D, H, __ 1) L 2) N 3) R 4)P 5)Q Ans: P (Each letter in the given series should be multiplied with 2 to get the next letter) Watch Video […]
Quantitative aptitude shortcut methods. Shortcut methods used in numerical calculations. Que: Find sum of the series 2 + 2^2 + 2^3 + …… + 2^10 Ans: This is a G.P Here a = 2 and r = 2^2 / 2 = 2 and required sum = a ( r^n -1 ) / ( r-1 ) […]
How to solve a quantitative aptitude time and distance problem in an easy way. Que: Aditya runs at a speed of 20km/hr.How many minutes does Aditya takes to cover a distance of 400meter? Ans: Aditya’s speed = 20km/hr = 20* (5/18) m/sec = 50/9 m/sec Time taken to cover 400 m = 400 * ( […]
How to solve quantitative aptitude question on trains in an easy way. Ques : A train running at a speed of 30km/hr. The train is 100 meter long. Find the time taken by it to pass a man standing near the railwayline? Ans: Speed of train = 30 km/hr = 30*(5/18) m/sec // multiply with […]