Problems on Numbers
- 1. If A = 11x2+11x4+12x3+14x7+13x4+17x10... upto 20 terms, then what is the value of A?
Options- A. 379/308
- B. 171/140
- C. 379/310
- D. 420/341 Also asked in: Bank Exams
Correct Answer: 420/341
- 2. What is the sum of all natural numbers between 100 and 400 which are divisible by 13?
Options- A. 5681
- B. 5334
- C. 5434
- D. 5761 Also asked in: Bank Exams
Correct Answer: 5681
- 3. If the least common multiple of two numbers, 1728 and K is 5184, then how many values of K are possible?
Options- A. 11
- B. 8
- C. 6
- D. 7 Also asked in: Bank Exams
Correct Answer: 7
- 4. When a number is increased by 20, it becomes 116% of itself. What is the number?
Options- A. 100
- B. 250
- C. 125
- D. 400 Also asked in: Bank Exams
Correct Answer: 125
- 5. Two numbers are 50% and 75% lesser than a third number. By how much percent is the second number to be enhanced to make it equal to the first number?
Options- A. 50
- B. 25
- C. 75
- D. 100 Also asked in: Bank Exams
Correct Answer: 100
- 6. How many 3 digit numbers are completely divided by 4.
Options- A. 225
- B. 224
- C. 223
- D. 222 Also asked in: Bank Exams
Correct Answer: 225
- 7. The sum of the digits of a 2digit number is 17. If we add 9 to the number, the new number obtained is a number formed by interchange of the digits. Find the number.
Options- A. 89
- B. 98
- C. 78
- D. 87 Also asked in: Bank Exams
Correct Answer: 89
- 8. A number is greater than five times its reciprocal by 19/2. Find the number.
Options- A. 11
- B. 9
- C. 10
- D. 8 Also asked in: Bank Exams
Correct Answer: 10
- 9. Find 2 consecutive natural numbers, sum of whose squares is 25.
Options- A. 2, 3
- B. 3, 4
- C. 4, 5
- D. 1, 4 Also asked in: Bank Exams
Correct Answer: 3, 4
- 10. Product of digits of a 2-digit number is 24. If we add 45 to the number, the new number obtained is a number formed by interchange of the digits.What is the original number?
Options- A. 54
- B. 83
- C. 38
- D. 45 Also asked in: Bank Exams
Correct Answer: 38
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