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- Question
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
- Correct Answer
- 8
- 1. 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
- 2. Three numbers are in the ratio 1 : 2 : 3 and the sum of their cubes is 4500 .The smallest numbers is
Options- A. 4
- B. 5
- C. 6
- D. 10 Discuss
- 3. Sum of three consecutive integers is 51 . The middle one is:
Options- A. 14
- B. 15
- C. 16
- D. 17 Discuss
- 4. What is the average of first 19 odd numbers?
Options- A. 9.5
- B. 15.5
- C. 19
- D. 38 Discuss
- 5. What is the remainder when 6729 is divided by 35?
Options- A. 11
- B. 7
- C. 19
- D. 13 Discuss
- 6. 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
- 7. 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
- 8. 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
- 9. The greatest perfect square number of 6 digits is
Options- A. 999001
- B. 998001
- C. 998009
- D. 998101 Discuss
- 10. 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
Problems on Numbers
Search Results
Correct Answer: 28
Correct Answer: 5
Correct Answer: 17
Correct Answer: 19
Correct Answer: 19
Correct Answer: always irrational
Correct Answer: 12
Correct Answer: 80
Correct Answer: 998001
Correct Answer: 6
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