1.
In arithmetic, all numbers can be expressed by ----------- symbols.
2.
How many symbols are used in enumeration?
3.
The sum and difference of two numbers is ------ than the larger number.
4.The
value of any digit used in a number depends upon it’s --------- in the number.
5. In international counting system, a comma is placed
after every ------- digit
6.
In local counting system, a comma can be placed after ----------- digits from the
right and then after every ----- digits.
7.
Which digit is not considered a factor of any number?
8.
Zero is called ------------ digit.
9.
Total number of digit is ------------ in the world.
10.
Intrinsic value of 6 is --------------- in the number 6789.
11.
170 lac = ---------------------- million.
12.
What is the multiplication of the greatest number and the smallest number
consisting of two digits without the use of any digit more than once?
13.
What is the intrinsic value of 5 in the number 573?
14.
What is the least number of two digits?
15.
What is the multiplication of digits of the least number consisting of 7digits
without the use of any digit more than once?
16. How many numbers of two digits are written with
the digit of a three digits number?
17.
How many factors does a prime number has?
18.
How many prime numbers between 1 and 100?
19.
What are the prime factors of 21?
20.
Only --------------- is prime number in even number.
21.
What is the least prime number?
22.
What is the summation of prime numbers from 1 to 12?
23.
At least how much is to be added to 2458 to get the sum divisible by 3?
24.
L.C.M. of two prime numbers is -------------------------------------------
25.
The average of the prime numbers from 1 to 10 is------------------------------------
26. Two or more numbers are divided by their H. C. F
then, their quotients are called -----------
27. Divisor is 10 times of quotient. If divisor is 0.5
then, what is a dividend?
28. What are the common prime factor of 30 and 60
29. Find prime factors of 72?
30. L.C.M of 5 and 8 is how many times of their H.C.F?
31. What is the number of divisors of 144?
32. Least means ---------------- of L. C. M.
33. Greatest means ------------- of H. C. F.
34. Product of two numbers ÷ H. C. F of two numbers =
------------------------
35. Product of two numbers ÷ L. C. M of two numbers =
------------------------
36. Least common multiple of some numbers is called
---------------------------
37. Greatest common factor of some numbers is called
---------------------------
38. ------------------ common multiple is called
L. C. M of
given numbers.
39. What is the L. C. M of 5, 8, 10, and 15?
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