Discussion
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- Question
What is that least number that must be added to the product 684 × 686 to make it a perfect square?
Options- A. 685
- B. 1
- C. 684
- D. 686
- Correct Answer
- 1
- 1. How many natural numbers are there between ?261 and ?45109?
Options- A. 144
- B. 196
- C. 168
- D. 195 Discuss
- 2. Of the 3 numbers whose average is 22, the first is 3/8th the sum of other 2. What is the first number?
Options- A. 16
- B. 20
- C. 22
- D. 18 Discuss
- 3. The smallest number, which should be added to 756896 so as to obtain a multiple of 11, is
Options- A. 1
- B. 2
- C. 3
- D. 5 Discuss
- 4. The sum of three numbers is 2, the 1st number is 1/2 times the 2nd number and the 3rd number is 1/4 times the 2nd number. The 2nd number is
Options- A. 7/6
- B. 8/7
- C. 9/8
- D. 10/9 Discuss
- 5. If in a two digit number, the digit at unit place is z and the digit at tens place is 8, then the number is
Options- A. 80z + z
- B. 80 + z
- C. 8z + 8
- D. 80z + 8 Discuss
- 6. Determine the largest 4 digit number which is a perfect square.
Options- A. 9999
- B. 9702
- C. 9604
- D. 9801 Discuss
- 7. The largest 5 digit number exactly divisible by 89 is:
Options- A. 99947
- B. 99940
- C. 99938
- D. 99939 Discuss
- 8. The sum of all prime numbers between 58 and 68 is
Options- A. 179
- B. 178
- C. 187
- D. 183 Discuss
- 9. The average of 25 consecutive odd integers is 55. The highest of these integers is
Options- A. 79
- B. 105
- C. 155
- D. 109 Discuss
- 10. N is the largest two digit number, which when divided by 3, 4 and 6 leaves the remainder 1, 2 and 4 respectively. What is the remainder when N is divided by 5?
Options- A. 4
- B. 2
- C. 0
- D. 1 Discuss
Problems on Numbers
Search Results
Correct Answer: 196
Correct Answer: 18
Correct Answer: 3
Correct Answer: 8/7
Correct Answer: 80 + z
Correct Answer: 9801
Correct Answer: 99947
Correct Answer: 187
Correct Answer: 79
Correct Answer: 4
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