Written Instructions:
For each Multiple Choice Question (MCQ), four options are given. One of them is the correct answer. Make your choice (1,2,3 or 4). Write your answers in the brackets provided..
For each Short Answer Question(SAQ) and Long Answer Question(LAQ), write your answers in the blanks provided.
Leave your answers in the simplest form or correct to two decimal places.
| 1) The surd having radicand 9 and order 3 is (A) 9√ 3 (B) 3√ 27 (C) 3√ 9 (d) 3√ 81
( ) |
| 2) Which one of the following is not a surd (i) √ 8 (ii) √ 30 (iii) √ 4 (iv) √ 3
( ) |
| 3) 2/√ 2 is equal to (A) 2√ 2 (B) √ 2 (C) √ 2 /2 (D) 2 ( ) |
| 4) Which one of the following is not true (A) √ 2 is an irrational number (B) √ 17 is a irrational number (C) 0.10110011100011110……is an irrational number (D) 4√ 16 is an irrational number ( ) |
| 5) The order and radicand of the surd 8√ 12 are respectively
( ) |
| 6) 5 3√ 3 represents the pure surd (A) 3√ 15 (B) 3√ 375 (C) 3√ 75 (D) 3√ 45
( ) |
| 7) The simple form of √ 50 is (A) 5√ 10 (B) 5√ 2 (C) 10√ 5 (D) 25√ 2
( ) |
| 8) Which one of the following is not true (A) √ 2 is an irrational number (B) if a is a rational number and √ b is an irrational number then a√ b is rational number (C) Every surd is an irrational number (D) The square root of every positive integers is always irrational
( ) |
| 9) 4√ 11 is equal to (A) 8√ 11 2 (B) 8√ 11 4 (C) 8√ 11 8 (D) 8√ 11 6
( ) |
| 10) The surd having radicand 9 and order 3 is (A) 9√ 3 (B) 3√ 27 (C) 3√ 9 (d) 3√ 81
( ) |
| 1) The surd having radicand 9 and order 3 is (A) 9√ 3 (B) 3√ 27 (C) 3√ 9 (d) 3√ 81
Answer: 4 SOLUTION 1 : Ans = C |
| 2) Which one of the following is not a surd (i) √ 8 (ii) √ 30 (iii) √ 4 (iv) √ 3
Answer: 4 SOLUTION 1 : Hints: [ therefore 3√ 8 = 3√2x2x2 = 2, not a surd] Ans = (i), (iii) and (iv) |
| 3) 2/√ 2 is equal to (A) 2√ 2 (B) √ 2 (C) √ 2 /2 (D) 2 Answer: 1 SOLUTION 1 : Ans = B |
| 4) Which one of the following is not true (A) √ 2 is an irrational number (B) √ 17 is a irrational number (C) 0.10110011100011110……is an irrational number (D) 4√ 16 is an irrational number Answer: 4 SOLUTION 1 : Ans = D |
| 5) The order and radicand of the surd 8√ 12 are respectively
Answer: 3 SOLUTION 1 : Ans = 8,12 |
| 6) 5 3√ 3 represents the pure surd (A) 3√ 15 (B) 3√ 375 (C) 3√ 75 (D) 3√ 45
Answer: 4 SOLUTION 1 : ans = B |
| 7) The simple form of √ 50 is (A) 5√ 10 (B) 5√ 2 (C) 10√ 5 (D) 25√ 2
Answer: 1 SOLUTION 1 : Hints: [ √ 50 = √ 25x2 = √ 25 x √ 2 = 5√ 2 ] Ans = (B) |
| 8) Which one of the following is not true (A) √ 2 is an irrational number (B) if a is a rational number and √ b is an irrational number then a√ b is rational number (C) Every surd is an irrational number (D) The square root of every positive integers is always irrational
Answer: 4 SOLUTION 1 : Hint: [ The square root of every positive integers is always not irrational number] Ans = D |
| 9) 4√ 11 is equal to (A) 8√ 11 2 (B) 8√ 11 4 (C) 8√ 11 8 (D) 8√ 11 6
Answer: 2 SOLUTION 1 : Ans = A |
| 10) The surd having radicand 9 and order 3 is (A) 9√ 3 (B) 3√ 27 (C) 3√ 9 (d) 3√ 81
Answer: 3 SOLUTION 1 : Ans = C |