Discussion
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- Question
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
- Correct Answer
- 11
- 1. 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
- 2. Convert binary 10110 to decimal.
Options- A. 22
- B. 20
- C. 18
- D. 16 Discuss
- 3. 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
- 4. 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
- 5. Which of the following statements is not true?
Options- A. The difference of two prime numbers, both greater than 2, is divisible by 2
- B. For two different integers m, n and a prime number p, if p divides the product m × n, then p divides either m or n.
- C. If a number is of the form 6n ?1 (n being a natural number), then its is a prime number.
- D. There is only one set of three prime numbers such that there is a gap of 2 between two adjacent prime numbers. Discuss
- 6. 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 Discuss
- 7. Which of the following numbers is not a prime number?
Options- A. 731
- B. 227
- C. 347
- D. 461 Discuss
- 8. 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
- 9. 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
- 10. 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
Numbers problems
Search Results
Correct Answer: (6 , 7)
Correct Answer: 22
Correct Answer: 79
Correct Answer: 5/2
Correct Answer: There is only one set of three prime numbers such that there is a gap of 2 between two adjacent prime numbers.
Correct Answer: -143
Correct Answer: 731
Correct Answer: (-7,-4)
Correct Answer: 12.5
Correct Answer: 62
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