Numbers problems
- 1. Find two numbers whose sum is 29 and the product is 100.
Options- A. 20, 5
- B. 20, 9
- C. 25, 4
- D. 10, 10 Also asked in: AIEEE, Bank Exams, CAT
Correct Answer: 25, 4
- 2. Product of digits of a 2-digit number is 72. 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. 98
- B. 89
- C. 78
- D. 87 Also asked in: AIEEE, Bank Exams, CAT
Correct Answer: 89
- 3. Find a two digit number which is exactly three times the product of its digits?
Options- A. 24
- B. 12
- C. 48
- D. 36 Also asked in: Bank Exams
Correct Answer: 24
- 4. Which of the following is not a Triangular number?
Options- A. 15
- B. 10
- C. 5
- D. 3 Also asked in: Bank Exams
Correct Answer: 15
- 5. Product of digits of a 2-digit number is 18. If we add 63 to the number, the new number obtained is a number formed by interchange of the digits. Find the number.
Options- A. 92
- B. 29
- C. 36
- D. 63 Also asked in: AIEEE, Bank Exams, CAT
Correct Answer: 29
- 6. Which of the following numbers is completely divisible by 99?
Options- A. 51579
- B. 51557
- C. 55036
- D. 49984 Also asked in: Bank Exams
Correct Answer: 51579
- 7. The sum of a non-zero number and its reciprocal is 2. What is the number?
Options- A. 1
- B. 2
- C. 0
- D. 4 Also asked in: AIEEE, Bank Exams, CAT
Correct Answer: 1
- 8. Direction: What should come in the place of question mark (?) in the following number series? 2, 3, 6, 15, 45, ?
Options- A. 90
- B. 135
- C. 157.5
- D. 200 Also asked in: AIEEE, Bank Exams, GATE
Correct Answer: 157.5
Explanation:
The pattern followed is *1.5 , * 2 , *2.5 , *3 , *3.5
- 9. Direction: What should come in the place of question mark (?) in the following number series? 3, 4, 10, 33, 136, ?
Options- A. 150
- B. 298
- C. 463
- D. 572 Also asked in: AIEEE, Bank Exams, GATE
Correct Answer:
Explanation:
The pattern followed is *1 + 1, *2 +2 , *3 + 3 , *4 + 4 , *5 + 5
- 10. Direction: What should come in the place of question mark (?) in the following number series? 7, 10, 16, 28, ?, 100
Options- A. 34
- B. 40
- C. 52
- D. 60 Also asked in: AIEEE, Bank Exams, GATE
Correct Answer: 52
Explanation:
The pattern followed is +3 , +6 , +12 , +24 , +48
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