Discussion
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- Question
How many numbers divisible by 125 can be written by using all the digits 2,3,8,7,5 exactly once?
Options- A. 4
- B. 5
- C. 6
- D. 7
- Correct Answer
- 4
- 1. Which value among 53, 64,126,27612 is the largest?
Options- A. 53
- B. 64
- C. 27612
- D. 126 Discuss
- 2. What least value which should be added to 1812 to make it divisible by 7, 11 and 14?
Options- A. 12
- B. 36
- C. 72
- D. 154 Discuss
- 3. Which one is the largest among the fractions (5/113), (7/120), (13/145) and (17/160)?
Options- A. 5/113
- B. 7/120
- C. 13/145
- D. 17/160 Discuss
- 4. The sum of two numbers is equal to thrice their difference. If the smaller of the numbers is 10 find the other number.
Options- A. 15
- B. 30
- C. 40
- D. None of these Discuss
- 5. Find two natural numbers whose sum is 85 andtheleast common multiple is 102.
Options- A. 30 & 55
- B. 17 & 68
- C. 35& 55
- D. 51 & 34 Discuss
- 6. How many numbers are there between 1 to 200 which are divisible by 3 but not by 7?
Options- A. 38
- B. 47
- C. 57
- D. 66 Discuss
- 7. By which least number should 5000 be divided so that it becomes a perfect square?
Options- A. 2
- B. 5
- C. 10
- D. 15 Discuss
- 8. A fraction becomes 6/5 when 5 is added to its numerator and becomes 1/2 when 4 is added to its denominator. What will be the value of the fraction?
Options- A. 8/9
- B. 7/10
- C. 7/8
- D. 6/11 Discuss
- 9. How many numbers less than 200 are multiples of both 5 and 6?
Options- A. 21
- B. 7
- C. 9
- D. 6 Discuss
- 10. What is the value of 232 ?
Options- A. 64
- B. 128
- C. 512
- D. 256 Discuss
Numbers problems
Search Results
Correct Answer: 27612
Correct Answer: 36
Correct Answer: 17/160
Correct Answer: None of these
Explanation:
Let larger number be x and smaller number be y.
Also, y = 10
According to question,
?(x + y) = 3((x ?y)?(x + 10) = 3(x ?10)
?2x = 40?x = 20
Correct Answer: 51 & 34
Explanation:
Let a + b = 85?b = 85 ?a
LCM(a,b) =102?ab = 102
k?a(85 ?a) = 102k, where k is a natural number.
Correct Answer: 57
Correct Answer: 2
Correct Answer: 7/10
Correct Answer: 6
Correct Answer: 512
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