Discussion
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- Question
Of the 3 numbers whose average is 64, the first number is 1/3 times the sum of other 2. The first number is
Options- A. 72
- B. 32
- C. 96
- D. 48
- Correct Answer
- 48
- 1. Divide 20 into two parts such that the sum of the square of the parts is 232. What is the value of the two parts?
Options- A. 6, 14
- B. 8, 12
- C. 4, 16
- D. 10, 10 Discuss
- 2. Find the average of all prime numbers between 20 and 50.
Options- A. 35.857
- B. 35.657
- C. 34.857
- D. 36.657 Discuss
- 3. ?ABC is right angled at B. BD is an altitude. DC = 9 cm and AC = 25 cm. What is the value of BC (in cm)?
Options- A. 12
- B. 18
- C. 16
- D. 15 Discuss
- 4. In what ratio is the segment joining (-1,-12) and (3,4) divided by the x-axis?
Options- A. 1:3
- B. 3:2
- C. 3:1
- D. 2:3 Discuss
- 5. If the 3rd and the 5th term of an arithmetic progression are 13 and 21, what is the 13th term?
Options- A. 53
- B. 49
- C. 57
- D. 61 Discuss
- 6. The 7th and 12th term of an arithmetic progression are -15 and 5 respectively. What is the 16th term?
Options- A. 25
- B. 29
- C. 21
- D. 33 Discuss
- 7. The least number which when divides 37044, gives the result a perfect cube, is:
Options- A. 2
- B. 4
- C. 14
- D. 21 Discuss
- 8. What is the largest 4 digit number that is exactly divisible by 93?
Options- A. 9961
- B. 9971
- C. 9981
- D. 9951 Discuss
- 9. The 4th and 7th term of an arithmetic progression are 11 and -4 respectively. What is the 15th term?
Options- A. -49
- B. -44
- C. -39
- D. -34 Discuss
- 10. The sum of 10 terms of the arithmetic series is 390. If the third term of the series is 19. Find the first term
Options- A. 3
- B. 5
- C. 7
- D. 8 Discuss
Numbers problems
Search Results
Correct Answer: 6, 14
Correct Answer: 35.857
Correct Answer: 15
Correct Answer: 3:1
Correct Answer: 53
Correct Answer: 21
Correct Answer: 4
Correct Answer: 9951
Correct Answer: -44
Correct Answer: 3
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