Numbers problems
- 1. ?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 Also asked in: Bank Exams
Correct Answer: 15
- 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 Also asked in: Bank Exams
Correct Answer: 35.857
- 3. 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 Also asked in: Bank Exams, CAT
Correct Answer: 6, 14
- 4. 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 Also asked in: Bank Exams
Correct Answer: 48
- 5. 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 Also asked in: Bank Exams
Correct Answer: 21
- 6. The least number which when divides 37044, gives the result a perfect cube, is:
Options- A. 2
- B. 4
- C. 14
- D. 21 Also asked in: Bank Exams
Correct Answer: 4
- 7. What is the largest 4 digit number that is exactly divisible by 93?
Options- A. 9961
- B. 9971
- C. 9981
- D. 9951 Also asked in: Bank Exams
Correct Answer: 9951
- 8. 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 Also asked in: Bank Exams
Correct Answer: -44
- 9. 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 Also asked in: Bank Exams
Correct Answer: 3
- 10. What is the sum of the first 11 terms of an arithmetic progression if the first term is -31 and last term is 29?
Options- A. 42
- B. -11
- C. 28
- D. 12 Also asked in: Bank Exams
Correct Answer: -11
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