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- Question
The greatest perfect square number of 6 digits is
Options- A. 999001
- B. 998001
- C. 998009
- D. 998101
- Correct Answer
- 998001
- 1. The sum of three consecutive natural numbers each divisible by 5, is 225. The largest among them is
Options- A. 85
- B. 75
- C. 70
- D. 80 Discuss
- 2. Instead of multiplying by 25, a student multiplies that number by 52 and gets 324 more than correct answer. Then that number is
Options- A. 15
- B. 12
- C. 25
- D. 32 Discuss
- 3. a and b are irrational numbers such that a+b = q is a rational number; then ab is
Options- A. always rational
- B. sometimes rational
- C. always irrational
- D. some times irrational Discuss
- 4. What least value must be assigned to '*' so that the numbers 451 * 603 is exactly divisible by 9?
Options- A. 7
- B. 8
- C. 5
- D. 9 Discuss
- 5. The sum of the cubes of two numbers in the ratio 3 : 4 is 5824. The sum of the numbers is:
Options- A. 21
- B. 28
- C. 24
- D. 14 Discuss
- 6. The numbers x, y, z are respectively proportional to 2, 3, 5 and the sum of x, y and z is 80. If the number z is given by the equation z = ax-8, then a is
Options- A. 6
- B. 3/2
- C. 3
- D. 5/2 Discuss
- 7. Which one of the following is the minimum value of the sum of two integers whose product is 24?
Options- A. 25
- B. 11
- C. 8
- D. 10 Discuss
- 8. What least value must be assigned to '*' so that the number 63576 * 2 is divisible by 8?
Options- A. 1
- B. 2
- C. 3
- D. 4 Discuss
- 9. The least number to be added to 13851 to get a number which is divisible by 87 is
Options- A. 18
- B. 43
- C. 54
- D. 69 Discuss
- 10. The least number that must be substracted from 63520 to make the result a perfect square is
Options- A. 30
- B. 24
- C. 14
- D. 16 Discuss
Problems on Numbers
Search Results
Correct Answer: 80
Correct Answer: 12
Correct Answer: always irrational
Correct Answer: 8
Correct Answer: 28
Correct Answer: 6
Correct Answer: 10
Correct Answer: 3
Correct Answer: 69
Correct Answer: 16
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