Discussion
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- Question
What is the sum of the first 13 terms of an arithmetic progression if the 5th term is 1 and the 8th term is -17?
Options- A. -140
- B. 61
- C. -143
- D. 166
- Correct Answer
- -143
- 1. What least number must be subtracted from 518, so that the sum is completely divisible by 13?
Options- A. 11
- B. 10
- C. 9
- D. 12 Discuss
- 2. What is the reflection of the point (6, -3) in the line y = 2?
Options- A. (-2 , -3)
- B. (6 , 7)
- C. (-6 , 7)
- D. (-2 , 3) Discuss
- 3. Convert binary 10110 to decimal.
Options- A. 22
- B. 20
- C. 18
- D. 16 Discuss
- 4. The 3rd and 6th term of an arithmetic progression are 19 and 37 respectively. What is the 13th term?
Options- A. 79
- B. 43
- C. 45
- D. 49 Discuss
- 5. Sum of twice a fraction and 5 times its reciprocal is 7. What is the fraction?
Options- A. 2/5
- B. 5/4
- C. 5/2
- D. 4/5 Discuss
- 6. Which of the following numbers is not a prime number?
Options- A. 731
- B. 227
- C. 347
- D. 461 Discuss
- 7. The co-ordinates of the centroid of a triangle ABC are (-1,-2) what are the co-ordinates of vertex C, if co-ordinates of A and B are (6,-4) and (-2,2) respectively?
Options- A. (-7,-4)
- B. (7,4)
- C. (7,-4)
- D. (-7,4) Discuss
- 8. Two numbers are 10% and 20% lesser than a third number respectively. By how much percent is the second number should be enhanced to make it equal to the first number?
Options- A. 10
- B. 15
- C. 12.5
- D. 8 Discuss
- 9. The 2nd and 6th term of an arithmetic progression are 8 and 20 respectively. What is the 20th term?
Options- A. 56
- B. 65
- C. 62
- D. 69 Discuss
- 10. Out of a group of three numbers, second is thrice of the first and also twice of the third. If the sum of the three numbers is 55 then find the largest number in the group.
Options- A. 26
- B. 29
- C. 30
- D. 32 Discuss
Numbers problems
Search Results
Correct Answer: 11
Correct Answer: (6 , 7)
Correct Answer: 22
Correct Answer: 79
Correct Answer: 5/2
Correct Answer: 731
Correct Answer: (-7,-4)
Correct Answer: 12.5
Correct Answer: 62
Correct Answer: 30
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