# HSSlive: Plus One & Plus Two Notes & Solutions for Kerala State Board

## Plus One Mathematics Practical Viva Questions and Answers

" Plus One Mathematics Practical Viva Questions and Answers

Plus One Mathematics Practical Viva Questions and Answers: In this article, we will provide some of the most asked practical viva questions and answers asked in the Plus One Mathematics Practical exam each year. We have compiled this list from viva questions from analysis of previous practical exams and collected these Plus One Mathematics Practical Viva Questions and Answers for students preparing for upcoming Mathematics practical exams.

## Plus One Mathematics Practical Viva Questions and Answers

Plus One Mathematics Practical Viva Exam. A necessary evil. Most students break out in a cold sweat at the mere thought. How do I prepare? What are they going to ask me? What should I ask them? Those are just a few of the questions that run through the mind of the average student.

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## Plus One Mathematics Practical Viva Questions & Answers

We have listed below the list of most asked plus One Mathematics practical viva questions along with answers of each below:

• 7+77+777+7777+..=7/81(10^n+1-9n-10),AneN
• 2^2n+1 has 7 in unit place for all natural number n>=2
• 2^n<n!An>=4,nEN
• n(n+1)(n+2) is divisible by 3 for all natural numbers.
• n + n2 is an even number for all natural numbers.
• Find real values of x and y for which the complex numbers (- 3 + ix2y) and( x2 + y +4i) are complex conjugate of each other.

Ans: x=+-1&y=-4

• If z1 and z2 are complex numbers such that |(z1-3z2)/(3-z1z2)|=1and |z2| not equal to 1, then find |z1|

Ans: 3

• Find the square root of 7 – 24i.Express sin 300 + i cos 300 in polar form

Chapter - 6

An electrician can be paid under two schemes as given below:

Scheme I : Rs. 500 and Rs. 70 per hour

scheme II : Rs. 120 per hour.

If the work takes x hours to complete, for what value of x does the scheme I give the electrician better wages?

• The cost and revenue functions of a product are given by C(x) = 2x + 400 and R(x) = 6x + 20 respectively, where
“x” is the number of items produced by the manufacturer. How many items atleast the manufacturer must sell to realize a profit.

Ans : 95

• How many different numbers of 6 – digits can be formed by using the digits 1, 2, 1, 2, 0, 2?
• Ans : 50

• Find the number of (i) Combinations (ii) Permutations of 4 letters taken from the word EXAMINATION.

Ans: (i) 136 (ii) 2454

• There are 15 points in a plane, no 3 of them are in a straight line except 4 which are collinear. Find the number of

(i) straight lines

(ii) triangle formed by joining them.

Ans : (i) 100 (ii) 451

• Find the number of rectangles in the adjoining figure:

Ans:60

• There 6 questions in a question paper. In how many ways can a student solve one or more questions: Ans: 63

## Importance of Plus One Mathematics Practical Viva Questions & Answers

All students should know the plus One Mathematics practical viva questions to enhance their preparation in the right direction for the examinations. It will help the students to get an answer and help them to manage their time during the exam effectively.

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