Answer
Step by step text solution for Which of the following numbers is prime? 23 (b) 51 (c) 38 (d) 26 by MATHS experts to help you in doubts & scoring excellent marks in Class 6 exams.
|
RD SHARMA-PLAYING WITH NUMBERS-All Questions
- Three numbers are in the ratio 1:2:3 and their HCF is 6, the number...
01:27
|
- The ratio of two numbers is 3:4 and their HCF is 4. Their LCM is 12...
01:42
|
- Which of the following numbers is prime? 23 (b) 51 (c...
01:53
|
- Which of the following numbers are twin primes? 3, 5 (b) ...
01:37
|
- What smallest digit be written in the blank space of the number ......
01:42
|
- Which of the following numbers is divisible by 6? 1258 (b) ...
02:54
|
- Which of the following numbers is divisible by 11? 7138965 ...
03:25
|
- Which of the following numbers is a perfect number? 12 (b)...
01:59
|
- Which of the following numbers is not divisible by 4? 78536 ...
02:00
|
- The smallest prime just greater than the HCF of 84 and 144 is 11 ...
01:11
|
- Every counting number has an infinite number of factors ...
02:03
|
- What least number should be replaced by * so that the number 37610*...
01:28
|
- Make a list of seven consecutive numbers, none of which is prime.
01:10
|
- The HCF of two numbers is 23 and their product is 55545. Find their...
01:34
|
- Find the smallest 5-digit number which is exactly divisible by 20, ...
04:37
|
- Find the largest number which divides 615 and 963 leaving remainder...
01:52
|
- The length, breadth and height of a room are 1050 cm, 750cm and 425...
03:13
|
- Find the greatest number of four digits which is exactly divisible ...
01:37
|
- Reduce (289)/(391) to the lowest terms
02:59
|
- Three tankers contain 403 litres, 434 litres and 465 litres of dies...
01:50
|