AP TET Mathematics Quiz in English
1.
If (1, –2, –2) and (0, 2,1) are direction ratios of two lines, then the direction cosines of a perpendicular to both the lines are
Your Answer:
Correct Answer: 2
SOLUTION:
2. a + ib > c + id can be explained only when
1.b = 0, c = 0
2.b = 0, d = 0
3.a = 0, c = 0
4.a = 0, d = 0
Correct Answer: 2
3. Question:The value of f(x) = x + |x| is continuous for
1.
2.
3. Only x > 0
4. No value of x
Your Answer:
Correct Answer: 1
SOLUTION:
4. Question:Both husband and wife have normal vision though their fathers were colorblind and mothers did not have any gene for colorblindness. The probability of their daughters becoming colorblind is
1. 50%
2. 75%
3. 0%
4. 25%
Your Answer:
Correct Answer: 3
6. a + ib > c + id can be explained only when
1. b = 0, c = 0
2. b = 0, d = 0
3. a = 0, c = 0
4. a = 0, d = 0
Your Answer:
Correct Answer: 2
SOLUTION:
Two complex numbers are either equal or not equal. Comparison of complex numbers is not possible i.e. inequality does not exist for complex numbers. If a + ib > c + id this comparison is only possible when it is purely real. Hence, b = d = 0.
5.Question:
Your Answer:
Correct Answer: 3
6. Question:The determiants of a orthogonal matrix is
1. ± 1
2. 2
3. ZERO
4. ± 2
Your Answer:
Correct Answer: 1
SOLUTION:
7. Question:The mean of n items is . If each item is successively increased by 3, 32 ,33,.., 3n, then mean will be
Your Answer:
Correct Answer: 4
SOLUTION:
8. Question:If –3x + 17 < –13, then
Your Answer:
Correct Answer: 1
SOLUTION:
9. Question:If the points (1, 1), (–1, –1), are the vertices of a triangle, then this triangle is
1. right angled
2. isosceles
3. equilateral
4. None of these
Your Answer:
Correct Answer: 3
SOLUTION:
10. Question:There are two children in a family. The probability that both of them are boys, is
1. 1/2
2. 1/3
3. 1/4
4. 2/5
Your Answer:
Correct Answer: 3
SOLUTION:
11.Question:If A = {1, 2, 3, 4} and B = {5, 7, 9} then
1. A × B = B × A
2. n(A × B) =n(B × A)
3. Both (a) and (b)
4. None of the above
Your Answer:
Correct Answer: 2
12. Question:The total number of terms in the expansion of (x + a)100 + (x – a)100 after simplification will be
1. 202
2. 51
3. 50
4. None of these
Your Answer:
Correct Answer: 2
13.
1. a = 2 and b = 1, 2
2. a = 1 and b = 3
3. a = -1 and b = 1/2-1
4. None of the above
Your Answer:
Correct Answer: 1
SOLUTION:
14. Question:If the sum of a certain n number of terms of the AP, 25, 22, 19,……. is 116, then the last term is
1. 4
2. 3
3. 2
4. –4
Your Answer:
Correct Answer: 1
SOLUTION:
15. Question:Find the centre and radius of the circle 2×2 + 2y2 = 3x – 5y + 7
Your Answer:
Correct Answer: 1
SOLUTION:
16.
Question:In how many ways can the number 7056 be resolved into two factors ?
1. 20
2. 21
3. 23
4. 22
Your Answer:
Correct Answer: 3
SOLUTION:
17. Question:How many 5-digit telephone numbers can be constructed using the digits 0 to 9, if each number starts with 67 and no digit appears more than once?
1. 336
2. 337
3. 335
4. None of these
Your Answer:
Correct Answer: 1
SOLUTION:
18. Question:The elements of the set {x : x is an integer, x2 : 4} can be represent as …..Z….. . Here, Z refers to
1. {–2, 2}
2. {–1, 0, 1}
3. {–2, –1, 0, 1, 2}
4. {0, 1, 2}
Your Answer:
Correct Answer: 3
SOLUTION:
19. Question:If cos x = tan y, cot y = tan z and cot z = tan x, then sin x is equal to
Your Answer:
Correct Answer: 4
SOLUTION:
20.
1. 2, 2
2. 2, 3
3. 3, 4
4. 1, 5
Your Answer:
Correct Answer: 1
SOLUTION: