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प्रश्न
A number is divisible by 5 and 6. It may not be divisible by ______.
पर्याय
10
15
30
60
उत्तर
A number is divisible by 5 and 6. It may not be divisible by 60.
Explanation:
a = 5 × 6 × b
= 30 × b
It can’t be written as 60 × b and hence it may not divisible by 60.
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संबंधित प्रश्न
Which of the following numbers is divisible by 11?
If a number exactly divides the sum of three numbers, it must exactly divide the numbers separately.
If a number is divisible both by 2 and 3, then it is divisible by 12.
A number is divisible by _____ if it has any of the digits 0, 2, 4, 6, or 8 in its ones place.
| Column I | Column II |
| (i) The difference of two consecutive whole numbers |
(a) odd |
| (ii) The product of two non-zero consecutive whole numbers |
(b) 0 |
| (iii) Quotient when zero is divided by another non-zero whole number |
(c) 3 |
| (iv) 2 added three times, to the smallest whole number |
(d) 1 |
| (v) Smallest odd prime number | (e) 6 |
| (f) even |
Find a 4-digit odd number using each of the digits 1, 2, 4 and 5 only once such that when the first and the last digits are interchanged, it is divisible by 4.
Using divisibility tests, determine which of the following numbers are divisible by 4?
21084
Which of the following will not represent zero?
1 + 0
Which of the following will not represent zero?
`0/2`
Which of the following will not represent zero?
`(10 - 10)/2`
