Knowing our Numbers Test - 5

By using 9, 3, 0 and 7 without repetition, which of the following options represents the set of the greatest and the smallest 4-digit numbers, respectively?

Find XC + LXXX.

What is the difference between the smallest and the greatest three-digit numbers formed by using the digits 5, 6 and 7 exactly once so that no digit is repeated?

Given below are some numbers. Which of the following options represents the greatest and the smallest number, respectively?
365, 872, 4897, 7948, 782

Which of the following options represents the correct expression for forty eight divided by three times the sum of three and two?

Instead of multiplying by 54, a student by mistake multiplied 7543 by 45. By how much was his answer less than the correct answer?

Find the greatest 4-digit number by using the digits 4 and 5 equal number of times.

What is the difference between 8325, rounded off to the nearest hundred, and 491, rounded off to the nearest hundred?

If the distance between a student's house and his school is 1 km and 375 m, then how much distance does he cover in 6 days?

Which of the following represents the correct Roman numeral for 99?