Correct option is C
Given:
,
Formula:
Solution:
Hence, the correct answer is (c) 16.
If , then the value of is equal to:
Given:
,
Formula:
Solution:
Hence, the correct answer is (c) 16.
Match the LIST-I with LIST-II
If a = (√5 − 2)/(√5 + 2), then match the following:
LIST-I | LIST-II |
A. a + 1/a | I. 8√5 |
B. 1/a − a | II. 161 |
C. 1/2(a² + 1/a²) | III. 18 |
D. 1/a² − a² | IV. 144√5 |
Choose the correct answer from the options given below:
| LIST-I |
LIST-II |
| A. Sin² 30° + Cos² 30° + Sin 90° |
I. 4 |
| B. Sin² 45° + Cos² 45° + Cos 90° |
II. 2 |
| C. 2Sin² 60° + 2Cos² 30° + Cos 0° |
III. 1 |
| D. 4Cos 60° + 2Cos² 30° + 5Sin² 45° |
IV. 6 |
Arrange the following in the decreasing order:
A. LCM of 10, 20, 10
B. LCM of 25/3, 40/9, 50/6
C. HCF of 600, 150, 675
D. LCM of 4, 6, 9
E. HCF of 0.5, 1.5, 3.5
Choose the correct answer from the options given below:
If , then the value of is equal to:
If a and b are the minimum and maximum values of x satisfying 5 + = 10, select the correct statements from the following:
A. 5a + 5b = 12
B. 0 < (b − a) < 1/2
C. a < 0 < b
D. a < 1 < b
E. (b − a)² + 6/25 = 2
Choose the correct answer from the options given below:
Match the LIST-I with LIST-II
If p and q satisfy 3p + 3q = 36 and 2 × 3p + 3 × 3q = 99, then match the following:
LIST-I | LIST-II | |
A. p + q | I. | 1 |
B. q − p | II. | 5 |
C. p² + q² | III. | 6 |
D. pq | IV. | 13 |
Choose the correct answer from the options given below:
Match the LIST-I with LIST-II
LIST-I | LIST-II | |
A. The number of integer solutions of 2x² − x − 1 = 0 | I. | 0 |
B. The number of integer solutions of x² − 5x + 6 = 0 | II. | 1 |
C. The number of positive integer solutions of |x − 4| = |x − 3| + 1 | III. | 2 |
D. The number of integer solutions of |x + 1| = x | IV. | 3 |
Choose the correct answer from the options given below:
Suggested Test Series
Suggested Test Series
Match the LIST-I with LIST-II
If a = (√5 − 2)/(√5 + 2), then match the following:
LIST-I | LIST-II |
A. a + 1/a | I. 8√5 |
B. 1/a − a | II. 161 |
C. 1/2(a² + 1/a²) | III. 18 |
D. 1/a² − a² | IV. 144√5 |
Choose the correct answer from the options given below:
| LIST-I |
LIST-II |
| A. Sin² 30° + Cos² 30° + Sin 90° |
I. 4 |
| B. Sin² 45° + Cos² 45° + Cos 90° |
II. 2 |
| C. 2Sin² 60° + 2Cos² 30° + Cos 0° |
III. 1 |
| D. 4Cos 60° + 2Cos² 30° + 5Sin² 45° |
IV. 6 |
Arrange the following in the decreasing order:
A. LCM of 10, 20, 10
B. LCM of 25/3, 40/9, 50/6
C. HCF of 600, 150, 675
D. LCM of 4, 6, 9
E. HCF of 0.5, 1.5, 3.5
Choose the correct answer from the options given below:
If , then the value of is equal to:
If a and b are the minimum and maximum values of x satisfying 5 + = 10, select the correct statements from the following:
A. 5a + 5b = 12
B. 0 < (b − a) < 1/2
C. a < 0 < b
D. a < 1 < b
E. (b − a)² + 6/25 = 2
Choose the correct answer from the options given below:
Match the LIST-I with LIST-II
If p and q satisfy 3p + 3q = 36 and 2 × 3p + 3 × 3q = 99, then match the following:
LIST-I | LIST-II | |
A. p + q | I. | 1 |
B. q − p | II. | 5 |
C. p² + q² | III. | 6 |
D. pq | IV. | 13 |
Choose the correct answer from the options given below:
Match the LIST-I with LIST-II
LIST-I | LIST-II | |
A. The number of integer solutions of 2x² − x − 1 = 0 | I. | 0 |
B. The number of integer solutions of x² − 5x + 6 = 0 | II. | 1 |
C. The number of positive integer solutions of |x − 4| = |x − 3| + 1 | III. | 2 |
D. The number of integer solutions of |x + 1| = x | IV. | 3 |
Choose the correct answer from the options given below: