The smallest natural number is
  • 0
  • -1
  • 1
  • none of these
Which of the following are not twin primes
  • 7,9
  • 3,5
  • 11,15
  • 11,13
The numbers of primes between 80 and 90 is
  • 1
  • 0
  • 2
  • 3
Which of the following is a prime number
  • 169
  • 179
  • 115
  • 161
Which one of the following number is divisible by 3
  • 27326
  • 42356
  • 73545
  • 45326
Which one of the following number is divisible by 8
  • 798042
  • 586725
  • 689882
  • 483240
Which one of the following number is divisible by 11
  • 612459
  • 531575
  • 695697
  • 368788
5*4 is a three digit number with * as a missing digit. If the number is divisible by 4, what is missing digit?
  • 3
  • 4
  • 1
  • 5
What least number be assigned to so that the number 63576*2 is divisible by 8?
  • 1
  • 2
  • 3
  • 4
What is the sum of the prime numbers between 50 and 65?
  • 183
  • 169
  • 173
  • 193
What is the HCF of 3192 and 14280
  • 249
  • 168
  • 178
  • 155
Determine the HCF of 216 and 1176.
  • 34
  • 14
  • 24
  • 0
Find the HCF of the following numbers using prime factorization method. 144,198
  • 6
  • 18
  • 9
  • 1
What is the HCF of two consecutive even number ?
  • 0
  • 1
  • 2
  • None of these
What is HCF of two consecutive odd number?
  • 0
  • 1
  • 2
  • None of these
What is LCM of 24,36,40 ?
  • 720
  • 90
  • 360
  • 460
If the HCF of two number is 12 and their product is 3024 what is the LCM ?
  • 192
  • 252
  • 232
  • 204
The HCF and LCM of two number are 16 and 2056 respectively. If one of the number is 128 what is the other?  
  • 247
  • 189
  • 257
  • 187
0 h : 0 m : 1 s

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