HARD
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Roman numeral Hindu Arabic numeral
XXIII _____

Important Questions on Knowing Our Numbers

MEDIUM
The average marks of 6 students in a test is 64. All the students got different marks, one of the students obtained 70 marks and all other students scored 40 or above. The maximum possible difference between the second highest and the second lowest marks is
EASY
Which one of the following inequalities is always true for positive real number x, y?
EASY
What is the largest power of 10 that divides the product 1 × 2 × 3 × 4 . . . × 23 × 24 × 25?
EASY
If 7 divide a positive integer n, the remainder is 2. Which of the following numbers gives a remainder of 0 when
MEDIUM
If we divide180 into two parts such that the second part is12 more than the twice of the first part, then the two parts are?
HARD

Write the Roman numeral for the following.

272

HARD

Write the following Roman numeral as Hindu-Arabic number.

MDCLIV

HARD

Give the answer for the following in Roman numerals. 

XIV+XXV

EASY
In Roman numerals, the digits do not have any place value.
EASY
56 workers can finish a piece of work in 14 days. If the work is to be completed in 8 days, then how many extra workers are required?
EASY

Express the following number as Roman numeral :

341

MEDIUM

Write the Roman numeral for 27.

MEDIUM
What is the reminder if 1737+2937 is divided by 23?
HARD

Classify the following number as meaningful or meaningless.

VXVIII

MEDIUM
The equivalent of 44 in Roman numeral is:
EASY

Express the following number as Roman numeral :

66

EASY

Express the following numbers as Roman numerals :

446

EASY

Which of the following numbers in Roman numerals is incorrect?

MEDIUM
Three times the first of three consecutive odd integers is 3 more than twice the third. The third integer is: