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- Question
A man spends 15% of his income. If his expenditure is Rs. 75, his income (in rupees) is:
Options- A. 400
- B. 300
- C. 750
- D. 500
- Correct Answer
- 500
- 1. A is 3 years younger to B, C is two years older then A. Then B's relation to C is?
Options- A. Two years older
- B. One year younger
- C. One year older
- D. Two years younger Discuss
- 2. If Sin ? = 20/29, then what is the value of Cos ??
Options- A. 29/21
- B. 21/29
- C. 21/20
- D. 20/29 Discuss
- 3. If a + b = 4 and ab = -5, then what is the value of a3 + b3 ?
Options- A. 34
- B. 36
- C. 124
- D. 126 Discuss
- 4. The sum of a number and 4 times its reciprocal is 5. What is the number?
Options- A. 4
- B. 5
- C. 6
- D. 7 Discuss
- 5. What is the reflection of the point (4 , -3) in the line y = 1?
Options- A. (4, -5)
- B. (4, 5)
- C. (-4, -5)
- D. (-4, 5) Discuss
- 6. At what point does the line 3x + 2y = 12 cuts the Y-axis?
Options- A. (0, 6)
- B. (0, -6)
- C. (6, 0)
- D. (-6, 0) Discuss
- 7. The areas of two similar triangles ?ABC and ?PQR are 121 sq cms and 64 sq cms respectively. If PQ = 12 cm, what is the length (in cm) of AB?
Options- A. 7.25
- B. 6.25
- C. 16.5
- D. 5.25 Discuss
- 8. What is the value of Tan 60 + Cosec 60?
Options- A. 5/3
- B. 2/?3
- C. 5/?3
- D. 2/3 Discuss
- 9. If x/3 - [5(7x/5 - 4/3)]/2 = -x/6, then what is the value of x?
Options- A. 10/9
- B. -10/9
- C. -9/10
- D. 9/10 Discuss
- 10. If a3+ b3 = 19 and a + b = 1, then what is the value of ab?
Options- A. 5
- B. -6
- C. 7
- D. -9 Discuss
More questions
Correct Answer: One year older
Explanation:
Let the age of A be (x - 3) years
? B's age = x years
? C's age = (x - 3) + 2 = x - 1
? B's age - C's age = x - (x - 1) = 1 year
? B is one year older then C.
Correct Answer: 21/29
Correct Answer: 124
Correct Answer: 4
Correct Answer: (4, 5)
Correct Answer: (0, 6)
Correct Answer: 16.5
Correct Answer: 5/?3
Correct Answer: 10/9
Correct Answer: -6
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