Mathematics
NULL
Medium
Question
Find the least number which when divided by 35 leaves remainder 25, by 25 leaves remainder 15, and by 15 leaves remainder 5.
A
420
B
515
✓ Official correct answer
C
435
D
518
Community credibility
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A
420
No member explanations yet for this option.
B
515
No member explanations yet for this option.
C
435
No member explanations yet for this option.
D
518
No member explanations yet for this option.
Explanation
n + 10 is a common multiple of 35, 25 and 15; LCM = 525. Least n = 515.