Numbers problems
- 1. A number exceeds its 1/6 by 30. What is the number?
Options- A. 120
- B. 150
- C. 36
- D. 24 Also asked in: Bank Exams
Correct Answer: 36
- 2. The sum of three consecutive even integers is 84. Which is the least integer among them?
Options- A. 28
- B. 30
- C. 32
- D. 26 Also asked in: Bank Exams
Correct Answer: 26
- 3. Which smallest number must be subtracted from 400, so that the resulting number is completely divisible by 7?
Options- A. 6
- B. 1
- C. 2
- D. 4 Also asked in: Bank Exams
Correct Answer: 1
- 4. By what least number should 1200 be multiplied so that it becomes a perfect square?
Options- A. 2
- B. 3
- C. 4
- D. 5 Also asked in: Bank Exams
Correct Answer: 3
- 5. Which of the following can't be the unit's digit of a perfect square?
Options- A. 4
- B. 6
- C. 8
- D. 9 Also asked in: Bank Exams
Correct Answer: 8
- 6. How many numbers are there from 300 to 700 which are divisible by 2, 3 and 7?
Options- A. 7
- B. 8
- C. 9
- D. 10 Also asked in: Bank Exams
Correct Answer: 9
- 7. Product of three consecutive odd numbers is 1287. What is the largest of the three numbers?
Options- A. 9
- B. 11
- C. 13
- D. 17 Also asked in: Bank Exams
Correct Answer: 13
- 8. For what value of X, 211X will be a perfect square?
Options- A. 4
- B. 5
- C. 6
- D. 9 Also asked in: Bank Exams
Correct Answer: 6
- 9. The number 3521 is divided by 8. What is the remainder?
Options- A. 1
- B. 3
- C. 7
- D. 9 Also asked in: Bank Exams
Correct Answer: 3
- 10. A prime number contains the digit X at unit?s place. How many such digits of X are possible?
Options- A. 3
- B. 4
- C. 5
- D. 6 Also asked in: Bank Exams
Correct Answer: 6
Explanation:
For prime no units place cannot be occupied by even number except for 2
Thus no of digits occupying unit digit of prime numbers = 6 (1,2,3,5,7,9)
Example 2,3,5,7,11,19 in itself are prime numbers
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