Find first three common multiples of: (a) 6 and 8
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1
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1357
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April 3, 2019
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Find the common factors of: (a) 4, 8 and 12
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1
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1656
|
April 3, 2019
|
Find the common factors of: (a) 20 and 28
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1
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1413
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April 3, 2019
|
Write a digit in the blank space of each of the following numbers so that the number formed is divisible by 11:
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1
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2291
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April 3, 2019
|
Write the smallest digit and the greatest digit in the blank space of each of the following numbers
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1
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550
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April 3, 2019
|
Using divisibility tests, determine which of the following numbers are divisible by 11:
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1
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2387
|
April 3, 2019
|
Using divisibility tests, determine which of the following numbers are divisible by 6 :
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1
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2402
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April 3, 2019
|
Using divisibility tests, determine which of the following numbers are divisible by 4 by 8 :
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1
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2346
|
April 3, 2019
|
Using divisibility tests, determine which of the following numbers are divisible by
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1
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1738
|
April 3, 2019
|
Fill in the blanks : (a) A number which has only two factors is called a
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1
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1234
|
April 3, 2019
|
Write five pairs of prime numbers less than 20 whose sum is divisible by 5
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1
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1915
|
April 3, 2019
|
Express each of the following numbers as the sum of three odd primes: (a) 21
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1
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1393
|
April 3, 2019
|
Write seven consecutive composite numbers less-than 100 so that there is no prime
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1
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415
|
April 3, 2019
|
Which of the following numbers are prime? (a) 23
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1
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289
|
April 3, 2019
|
Give three pairs of prime numbers whose difference is 2
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1
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491
|
April 3, 2019
|
Express the following as the sum of two odd primes (a) 44
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1
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1141
|
April 3, 2019
|
What is the greatest prime number between 1 and 10?
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|
1
|
364
|
April 3, 2019
|
Write down separately the prime and composite numbers less than 20
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1
|
501
|
April 3, 2019
|
The numbers 13 and 31 are prime numbers. Both these numbers have same digits 1 and 3
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1
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2846
|
April 3, 2019
|
State whether the following statements are True or False : (a) The sum of three odd numbers is even
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1
|
1671
|
April 3, 2019
|
What is the sum of any two (a) Odd numbers?
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1
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300
|
April 3, 2019
|
Find all the multiples of 9 upto 100
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1
|
594
|
April 3, 2019
|
Match the items in column 1 with the items in column 2
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1
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1268
|
April 3, 2019
|
Write first five multiples of: (a) 5
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1
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1645
|
April 3, 2019
|
Write all the factors of the following numbers : (a) 24
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1
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3179
|
April 3, 2019
|
31z5 is a multiple of 3, where z is a digit, what might be the values of z?
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1
|
458
|
April 3, 2019
|
If 24x is a multiple of 3, where x is a digit, what is the value of x?
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1
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1022
|
April 3, 2019
|
If 31z5 is a multiple of 9, where z is a digit, what is the value of z?
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|
1
|
930
|
April 3, 2019
|
If 21 y 5 is a multiple of 9, where y is a digit, what is the value of y?
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1
|
1066
|
April 3, 2019
|
Find the values of the letters in each of the following and give reasons for the steps involved
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1
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2782
|
April 3, 2019
|