Problem on probability. Coin tossing problem in probability.

# Tag: mind calculations

# Quantitative Aptitude : Shortcut Method for Percentage Calculation Problem

Easy Mathematics. Mind calculation for percentage problems. A shortcut method.

# Quantitative Aptitude : Simple Interest Problem

Solved Example of Simple interest calculation.

# Quantitative Aptitude : Solving Quadratic Equation

Solved Example to find the nature of the roots of the equation

# Quantitative Aptitude : Problem on Numbers

Solved example of numerical problem.

# Quantitative Aptitude : Problem on probability of getting a lottery prize

Solution to the probability problem in getting a prize in lottery.

# Quantitative Aptitude : Probability problem on tossing dice and getting a prime number sum

Solution to the probability problem of tossing dice and getting the sum as a prime number.

# Quantitative Aptitude : Analytical Puzzles – Logical Reasoning Tutorial (Time calculation)

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 […]

# Quantitative Aptitude : Logical Reasoning – Letter Series Tutorial

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. Numerical Calculations Tutorial(Sum Of Series)

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 ) […]

# Quantitative Aptitude : Time and Distance Problem – Easy Solution (Shortcut Method)

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 * ( […]

# Quantitative Aptitude : Problems on Trains (Solution in Shortcut Method)

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 […]