If x is a rational number and y is an irrational number, then- Options: A . &nbspBoth x + y and xy are necessarily rational B . &nbspBoth x + y and xy are necessarily irrational C . &nbspxy is necessarily irrational, but x + y can be either rational or irrational D . &nbspx + y is necessarily irrational, but xy can be either rational or irrational

If x is a rational number and y is an irrational number, then-

Question

If x is a rational number and y is an irrational number, then-

Options:

A . Both x + y and xy are necessarily rational

B . Both x + y and xy are necessarily irrational

C . xy is necessarily irrational, but x + y can be either rational or irrational

D . x + y is necessarily irrational, but xy can be either rational or irrational

Answer: Option D

Submit Your Solution Below and Earn Points !

Next Question

Question 1. The digits indicated by * in 3422213** so that this number is divisible by 99 are :....

Question 2. Two numbers when divided by a certain divisor leave the remainders 4375 and 2986 respectively but when the sum of two nu....the remainder is 2361. The divisor in question is :

Question 3. The numbers from 1 to 29 are written side by side as follows : 1234567891011121314.....2829 If this number is divided by....is divided by 9, then what is the remainder ?

Question 4. If m = - 4, n = - 2, then the value of m3 - 3m2 + 3m + 3n + 3n2 + n3 is :....

Question 5. Which of the following numbers is exactly divisible by 24 ?....

Question 6. (46351 - 36418 - 4505) ÷ ? = 1357....

Question 7. If a and b are positive integers and $$\frac{(a - b)}{3.5}$$ = $$\frac{4}{7}$$, then:....

Question 8. 2525 is divided by 26, the remainder is :....

Question 9. How many prime numbers are there between 100 to 200 ?....

Question 10. The smallest three-digit prime number is :....

Chapter 1 - GLOBAL STEEL SCENARIO & INDIAN STEEL INDUSTRY Part 1 : (13-04-2024) INDUSTRY AND COMPANY AWARENESS (ICA)

Direction Sense Test Part 1 Reasoning (Hindi)

Chapter 1 - RMHP / OHP / OB & BP Part 1 : (14-02-2024) GPOE

Cube & Cuboid Part 1 Reasoning (Hindi)

Data Interpretation (DI) Basic Concept Reasoning (Hindi)

Counting Figures Part 1 Counting Of Straight Lines Reasoning (Hindi)

Sail E0 free webinar Webinars

Real Numbers Part 7 Class 10 Maths

Real Numbers Part 1 Class 10 Maths

Polynomials Part 1 Class 10 Maths

Pie Chart - Test Paper 1 Data Interpretation Reasoning & DI

Tabulation - Test Paper 2 Data Interpretation Reasoning & DI

Test Paper 1 Direction Sense Test Reasoning & DI

ICA , RDIC,GFM Free Modal Test Paper - Non - Technical Branch Old Syllabus 2022 - SAIL Junior Officer E0

GFM Combined 1 Free Revision Test SAIL JO E-0