# Aptitude questions on square roots and cube roots pdf

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Published: 28.11.2020  To find square root or cube root of a number is not an easy task. This is a worse deal when finding square or cube root is only part of a bigger problem, like in Data Interpretation or Compound Interest problems in Quantitative Aptitude. So if your Mental Mathematics is a little weak, let us learn how to quickly and easily find square root or cube root of a number. This trick is sure to save you at least 40 seconds of calculations per question.

## Solved Examples(Set 1) - Square Root and Cube Root

Step 2: Last digit of number 29 is 9. Multiply 3 by next consecutive higher number i. Hence, the square root of is Correct Option: a Hint: This type of questions can be easily solved by resolving the given number as the product of prime factors and select one common factor among the repeated factors. The number, is easily divisible by 2, 4, 8, 12, etc. Selecting the greater number 12 will reduce the taken consumed to solve the problem.

Correct Option: b Hint: Trick to find the square root of numbers which are not perfect squares. Step 1: Find the closet square to Step 2: Now divide the given number by the square root of closest square i. Correct Option: a Step 1: First find 0. Correct Option: b Let the unknown number be x. Step 1: Firstly, find the value of Correct Option: b Write the given expression without decimal points. Square root of number is determined by considering the common factor only once as shown below.

Correct Option: d This numerical can be easily solved, if we solve it by considering the options. Divide by each option and find out the number which is perfect square. Step 2: Hence, we have to divide the number by 5 x 6 , as these factors are non-repetitive. Correct Option: c 0. This will help in easily solving the problems. How to find the square root of 4 digit number? How to find the square root of 3 digit number? Note: Cube roots of 6, 5, 4 or 3 digit numbers can be easily found out by using the same trick as used to find the square root of larger digits.

Example: 3 Remember: The last 3 numbers are to cut off and the nearby cube of first remaining numbers is to be found out. Step 1: Split the number and Step 2: is the cube of 5, which is the closest number to Hence, first number i. Hence, the cube root of is Example: Step 1: Divide by 9. We get remainder 7. Step 4: This step is to be followed depend the number of digits in the dividend.

Case 1: If we have to find a number to be added to make a number perfect square, then Consider a number greater than the quotient. Her quotient is 94, hence consider Understanding and practicing each of the 4 types will help you deal successfully with the problems from this chapter. Type 1: Find the square root and cube roots of given numbers. Type 2: Find the missing number. Type 4: Find the least number to make a number perfect square. Online aptitude preparation material with practice question bank, examples, solutions and explanations.

Learn and take practice tests! Ratio and Proportion - Aptitude test, questions, shortcuts, solved example videos Ratio and Proportion - Quantitative aptitude tutorial with easy tricks, tips, short cuts explaining the concepts. Very useful for freshers, engineers, software developers taking entrance exams. Problems on Chain Rule - Aptitude test, questions, shortcuts, solved example videos Problems on Chain Rule - Quantitative aptitude tutorial with easy tricks, tips, short cuts explaining the concepts.

F and L. Type 2: Find the missing number Q 6. Find the least number by which must be multiplied to make it a perfect square. Find the least number by which must be divided to get a number which is a perfect square. ## Aptitude - Square Root and Cube Root

Square Root Exercises with Answers questions have been asked in many competitive exams and there are strong chances to ask Square Root Questions for class 8 aptitude questions again in SSC, Bank and other competitive exams. Students should prepare for exams by practicing Square Root Questions for class 6 and cube root questions with answers. In this section, you can find numerous aptitude questions with answers and explanation. The quantitative aptitude questions with answers covers various categories and extremely helpful for competitive exams. The quantitative aptitude questions contain aptitude questions asked for various placement exams and competitive exams. These will help students who are preparing for any type of competitive examinations.

Step 2: Last digit of number 29 is 9. Multiply 3 by next consecutive higher number i. Hence, the square root of is Correct Option: a Hint: This type of questions can be easily solved by resolving the given number as the product of prime factors and select one common factor among the repeated factors. The number, is easily divisible by 2, 4, 8, 12, etc. Selecting the greater number 12 will reduce the taken consumed to solve the problem. Correct Option: b Hint: Trick to find the square root of numbers which are not perfect squares. ## Maths aptitude questions on square and cube roots for Bank PO, LIC AO, GATE and similar exams

Multiple Choice: Multiple Choice This activity contains 15 questions. C The two quantities are equal. Question 1. Square Roots and Cube Roots To find the square root of a number, you want to find some number that when multiplied by itself gives you the original number. In other words, to find the square root of 25, you want to find the number that when multiplied by itself gives you

### Easy Tricks to Find Square Roots and Cube Roots

Tags: No Tags on this question yet! If the product of three consecutive positive integers is then the sum of the squares of these integers is. The cube root of.

Square roots and Cube Roots is an important topic in the Quantitative section of the Aptitude exam. Questions in this section are framed in a confusing way. So, make sure that you practice different level of questions in order to have flexibility while solving problems related to this concept. Important topics covered in this section are the basics of Squares and square roots, basic questions, find unknown value, etc. To make your preparation easy we have compiled the most important 20 questions from this topic. Square Root Exercises with Answers questions have been asked in many competitive exams and there are strong chances to ask Square Root Questions for class 8 aptitude questions again in SSC, Bank and other competitive exams. Students should prepare for exams by practicing Square Root Questions for class 6 and cube root questions with answers. In this section, you can find numerous aptitude questions with answers and explanation. The quantitative aptitude questions with answers covers various categories and extremely helpful for competitive exams. The quantitative aptitude questions contain aptitude questions asked for various placement exams and competitive exams.

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Square Root Exercises with Answers questions have been asked in many competitive exams and there are strong chances to ask Square Root Questions for class 8 aptitude questions again in SSC, Bank and other competitive exams. Students should prepare for exams by practicing Square Root Questions for class 6 and cube root questions with answers. In this section, you can find numerous aptitude questions with answers and explanation. The quantitative aptitude questions with answers covers various categories and extremely helpful for competitive exams. The quantitative aptitude questions contain aptitude questions asked for various placement exams and competitive exams. These will help students who are preparing for any type of competitive examinations. All the answers are explained in detail with very detailed answer descriptions.

Express the given number as the product of prime factors. Now, take the product of these prime factors choosing one out of every pair of the same primes. This product gives the square root of the given number. Evaluate: 13 16 8 11 View Answer Explanation :. What is the square root of 0. We make even number of decimal places by affixing a zero, if necessary. Now, we mark off periods and extract the square root as shown.

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