Question Detail All prime numbers are odd numbers TrueFalse Answer: Option BExplanation:It is false, 2 is an even number Similar Questions : 1. 469157 * 9999 1691100843459110084346911008433691100843 Answer: Option CExplanation:469157 * (10000 - 1) = 4691570000 - 469157 = 4691100843 2. \begin{aligned} 46^2 - (?)^2 = 4398 - 3066 \end{aligned} 23183828 Answer: Option D 3. Simplify (212 * 212 + 312 * 312 ) 132288142088142188142288 Answer: Option DExplanation:Trick: Above equation can be solved by using following formula \begin{aligned} (a^2 + b^2) = \frac{1}{2}((a+b)^2 + (a-b)^2) \end{aligned} 4. The greatest number by which the product of three consecutive multiples of 3 is always 5481162243 Answer: Option CExplanation:3*6*9 = 162 5. What least number should be added to 1056, so that the sum is completely divisible by 23 4123 Answer: Option CExplanation:(1056 / 23) gives remainder 21 21 + 2 = 23, So we need to add 2 Read more from - Numbers Questions Answers