Discussion
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- Question
What are the roots of the quadratic equation: x2 + 3x - 154 = 0
Options- A. 11, 14
- B. 11, -14
- C. 14, -11
- D. 14, -22
- Correct Answer
- 11, -14
- 1. If price of oranges is increased by 30%, then a person can buy 12 oranges less for Rs 208. What is the original price (in Rs) of an orange?
Options- A. 2
- B. 4
- C. 8
- D. 3 Discuss
- 2. If cosec 4?/3 = x, then the value of x is
Options- A. ?2
- B. 2/?3
- C. ?2
- D. -1/?3 Discuss
- 3. The point Q(a,b) is first reflected in yaxis to Q1 and Q1 is reflected in xaxis to (6,2). The coordinates of point Q are
Options- A. (-6,2)
- B. (2,-6)
- C. (6,-2)
- D. (-2,6) Discuss
- 4. If the roots of the equation a(b ? c)x2 + b(c ? a)x + c(a ? b) = 0 are equal, then which of the following is true?
Options- A. b = ( a + c)/ ac
- B. 2/ b = (1/ a) + (1/ c)
- C. 2 b = (1/ a) + (1/ c)
- D. abc = ab + bc + ca Discuss
- 5. x, y and z are prime numbers and x + y + z = 38. What is the maximum value of x?
Options- A. 19
- B. 23
- C. 31
- D. 29 Discuss
- 6. For triangle ABC, find equation of median AD if coordinates of points A, B and C are (2,4), (3,0) and (5,2) respectively?
Options- A. 3x - 2y = 14
- B. 3x - 2y = 2
- C. 3x + 2y = 14
- D. 3x + 2y = 2 Discuss
- 7. In a Rhombus ABCD, measure of angle CAB is 35°, what is the measure of angle ABC?
Options- A. 70°
- B. 40°
- C. 50°
- D. 110° Discuss
- 8. The first and last terms of an arithmetic progression are 25 and 52. What is the sum of the series if it has 12 terms?
Options- A. -162
- B. -110
- C. 162
- D. 110 Discuss
- 9. 23x12+49x15312+50 = ?
Options- A. 0.5
- B. 1
- C. 2
- D. 3 Discuss
- 10. The sum of two numbers is 7 and the sum their squares is 23, their product is equal to:
Options- A. 10
- B. 11
- C. 12
- D. 13 Discuss
Simplification problems
Search Results
Correct Answer: 4
Correct Answer: 2/?3
Correct Answer: (6,-2)
Correct Answer: 2/ b = (1/ a) + (1/ c)
Correct Answer: 31
Correct Answer: 3x - 2y = 14
Correct Answer: 110°
Correct Answer: -162
Correct Answer: 1
Explanation:
Correct Answer: 13
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