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- Question
3 + 653-212-30+50 = ?
Options- A. 3
- B. 3sqrt{2}
- C. 6
- D. None of these
- Correct Answer
- None of these
- 1. What is the equation of the line passing through the point (0,4) and making an angle of 45° with the positive xaxis?
Options- A. x + y = 4
- B. x - y = - 4
- C. x + y = -4
- D. x - y = 4 Discuss
- 2. Given that 100.48 = x, 100.70 = y and xz = y2, then the value of z is close to ___ ?
Options- A. 3.7
- B. 2.7
- C. 3.6
- D. 2.9 Discuss
- 3. What is the value of ?[(1 + sinA)/(1 - sinA)]?
Options- A. secA - tanA
- B. cosecA + tanA
- C. secA + tanA
- D. cosecA - tanA Discuss
- 4. The average number of visitors of a library in the first 4 days of a week was 58. The average for the 2nd, 3rd, 4th and 5th days was 60.If the number of visitors on the 1st and 5th days were in the ratio 8 : 9. Then what is the number of visitors on the 5th day of the library ?
Options- A. 54
- B. 64
- C. 68
- D. 72 Discuss
- 5. The sum of 4x + 3y 7z, x y z and 2x 3y + 4z is
Options- A. 3x - y - 4z
- B. 3x - y + 4z
- C. 3x + y - 4z
- D. 3x + y + 4z Discuss
- 6. Twenty times a positive integer is less than its square by 96. What is the integer ?
Options- A. 42
- B. 36
- C. 48
- D. 24 Discuss
- 7. If (1 + sinA)/cosA + cosA/(1 + sinA) = x, then the value of x is
Options- A. 2cosecA
- B. 2cosec2A
- C. 2sec2A
- D. 2secA Discuss
- 8. In a slip test, K got the 15th rank and he was 44th from the bottom of the list of passed students. 4 students did not take up the slip test and 3 students were failed. What is the total strenght of the class ?
Options- A. 63
- B. 62
- C. 64
- D. 65 Discuss
- 9. If cos 2?/3c = x, then the value of x is
Options- A. -1/2
- B. 1/2
- C. -?3/2
- D. ?3/2 Discuss
- 10. Simplify the following : 373+353+283-3x37x35x28372+352+282-37x35-35x28-37x28 ?
Options- A. 100
- B. 1
- C. 4
- D. 0 Discuss
More questions
Correct Answer: x + y = -4
Correct Answer: 2.9
Correct Answer: secA + tanA
Correct Answer: 72
Explanation:
If number of visitors on 1st, 2nd, 3rd, 4th & 5th day are k, l, m, n & o respectively, then
k + l + m + n = 58 x 4 = 232 ---- (i) &
l + m + n + o = 60 x 4 = 240 ---- (ii)
Subtracting (i) from (ii), we get
o-k = 8 ---(iii)
Given, k/o = 8/9 ----(iv)
So from (iii) & (iv), we get
a = 64, e = 72
Therefore, number of visitors on 5th day is 72.
Correct Answer: 3x - y - 4z
Correct Answer: 24
Explanation:
Let the integer be x. Then,
x2 - 20x = 96
(x + 4)(x - 24) = 0
x = 24
Correct Answer: 2secA
Correct Answer: 65
Explanation:
Total strength of the class is given by
15 + 44 + 4 + 3 - 1 = 65
Correct Answer: -1/2
Correct Answer: 100
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