Number System MCQs

The number 334 × 545 × 7p is divisible by 3340 then what is the minimum value of P?

The smallest five digit number which is divisible by 12, 18 and 21 is:

Let, p, q, r and s be positive natural numbers having three exact factors including 1 and the number itself. If q > p and both are two-digit numbers, and r > s and both are one-digit numbers, then the value of the expression $$\frac{{p - q - 1}}{{r - s}}$$ is:

What decimal of a week is an hour?

The sum of three consecutive natural numbers each divisible by 5, is 225. The largest among them is?

A six-digit number is divisible by 198. If the digits are rearranged, even then the number will be divisible by:

If A = $$\frac{{\sqrt {0.0004} \times \root 3 \of {0.000008} }}{{\root 4 \of {16000} \times \root 3 \of {125000} \times \root 4 \of {810} }}$$ and B = $$\frac{{\root 3 \of {0.729} \times \root 4 \of {0.0016} }}{{\sqrt {0.16} }},$$ what is A × B?

A boy added all natural numbers from 1 to 10, however he added one number twice due to which the sum becomes 58. What is the number which he added twice?

What is the least value of x such that 517x324 is divisible by 12?