Question Detail

6897 is divisible by

11 only
19 only
both 11 and 19
neither 11 nor 19

Answer: Option C

1. A number when divided by the sum of 555 and 445 gives two times their difference as quotient and 30 as remainder. The number is

22030
220030
23030
24030

Answer: Option B

Explanation:

(555 + 445) * 2 * 110 + 30 = 220000 + 30 = 220030

2. \begin{aligned}
46^2 - (?)^2 = 4398 - 3066
\end{aligned}

Answer: Option D

3. What least value should be replaced by * in 223*431 so the number become divisible by 9

Answer: Option A

Explanation:

Trick: Number is divisible by 9, if sum of all digits is divisible by 9, so (2+2+3+*+4+3+1) = 15+* should be divisible by 9,
15+3 will be divisible by 9,
so that least number is 3.

4. Which is smallest prime number

Answer: Option B

5. What least number must be subtracted from 427398 so that remaining number is divisible by 15

Answer: Option A

Explanation:

On dividing 427398 by 15 we get the remainder 3, so 3 should be subtracted

Question Detail

6897 is divisible by

1. A number when divided by the sum of 555 and 445 gives two times their difference as quotient and 30 as remainder. The number is

2. \begin{aligned} 46^2 - (?)^2 = 4398 - 3066 \end{aligned}

3. What least value should be replaced by * in 223*431 so the number become divisible by 9

4. Which is smallest prime number

5. What least number must be subtracted from 427398 so that remaining number is divisible by 15

2. \begin{aligned}
46^2 - (?)^2 = 4398 - 3066
\end{aligned}