MAH Number Systems Questions

The last digit of the number obtained by multiplying the numbers $$81 \times 82 \times 83 \times 84 \times 85 \times 86 \times 87 \times 88 \times 89$$ will be

Find the number of divisiors of 1420

Find the number of zeroes at the end of 1090!

Find the reaminder when the number $$9^{100}$$ is divided by 8.

What is the remainder when $$128^{1000}$$ is devided by 153?

DIRECTION for the question: Solve the following question and mark the best possible option.

Which of the following number is divisible by 99?

Find the largest four-digit number exactly divisible by 15,21 and 28.

How many numbers less than 100 have exactly four factors?

Find the largest number which divides 64, 136, and 238 to leave the same remainder in each case.

If A381 is divisible by 11 , find the value of the smallest natural number A

If 146! is divisble by $$5^{n}$$, then find the maximum value of n

DIRECTION for the question: Solve the following question and mark the best possible option.

The H.C.F. of 3556 and 3444 is

Find the length of the plank which can be used to measure exactly the lengths 4 m 50 cm, 9 m 90 cm, and 16 m 20 cm in the least time.

Find the greatest number which on dividing 70 and 50 leaves remainders 1 and 4 respectively

If 381A is divisible by 9, find the value of the smallest natural number A.