What is the smallest number that must be added to 19487161 so that it is divisible by 11?

If 3c2933k is divisible by both 5 &11, where c and k are single digit natural numbers, then c + k =

Find the number when successively divided by 𝟑,𝟓and 𝟕 leaves remainder 𝟐,𝟏and 𝟑, respectively,

A number is increased by 120, and the result becomes a perfect square. The original number lies

Solve: (√𝟕𝟗𝟐𝟏−√(𝟐𝟎𝟕𝟎.𝟐𝟓))×(𝟏/𝟒) a) 10.875b) 8.875c) 7.785d) 6.685

What is the smallest number that must be added to 2378 to make it a perfect square?

How many two-digit numbers satisfy this property? The last digit (unit’s digit)

The number of natural numbers between √50 and √500 is:

Solve: (√𝟓𝟕𝟕𝟔− √𝟒𝟕𝟔𝟏)× (𝟏/𝟐)

Which of the following is the least 5-digit number, which is a perfect square?

What is the value of √𝟗𝟖𝟎𝟏− √𝟏𝟔𝟖𝟏?

Which pair of number sets has the same elements?

Which of the following statements is true? a) all rational numbers are real.

The sum of the smallest set of three consecutive natural numbers is equal to the sum of two whole

The relationship between integers and whole numbers can be expressed as:

Which of the following is true?a) All whole numbers are rational.

How many natural numbers are there between 𝟏𝟏^𝟐 and 𝟏𝟐^𝟐? a) 20b) 21c) 22d) 23

Given below are two statements marked as Assertion (A) and Reason (R). Read and mark correct options

A natural number n divides 732 and leaves 12 as a remainder. How many values of n are possible?

The sum of the digits of a two-digit number is 9. If the digits are reversed,

The number 611611611611 is: divisible by 11 only

If m is even, then (𝟖^(𝒎 )– 𝟏)is divisible by:

The five-digit number 45yz0 is divisible by 40. What is the maximum possible value of (y + z)?

If the 9-digit number 5x79856y6 is divisible by 36, then what is the negative value of √(2x + y)

What is the sum of the divisors of 𝟒𝟖𝟒 that are perfect squares?

During a division, Pranjal mistakenly took as the dividend a number that was 𝟏𝟎% more than the

A 𝟗−digit number 𝟖𝟒𝟔𝟓𝟐𝟑𝑿𝟕𝒀 is divisible by 𝟗, and 𝒀−𝑿=𝟔. Find the value of √(𝟐𝑿+𝟒𝒀).

A six-digit number 𝟏𝟏𝒑𝟗𝒒𝟒 is divisible by 𝟐𝟒. Then the greatest possible value for pq is:

For what least value of n, 22n+2n is completely divided by 6, where n is an integer?

A two-digit number is 12 more than five times the sum of its digits. The number formed by reversing.

How many factors of 14,400 are divisible by 18 but not by 36?

A 𝟔−digit number has digits as consecutive natural numbers. The number is always divisible by

How many of the following numbers are divisible by 𝟏𝟑𝟐?𝟔𝟔𝟎, 𝟕𝟓𝟒, 𝟗𝟐𝟒,𝟏𝟒𝟓𝟐,𝟏𝟓𝟐𝟔,𝟏𝟗𝟖𝟎,𝟐𝟎𝟒𝟓 and 𝟐𝟏𝟕𝟎

If x = √3 and y = 3 − √3, which of the following is true?

Which of the following is both rational and an integer?

If a pipe of length √98 m is cut into 7 equal parts, what is the length of each part

A diver was swimming at a depth of -30 meters below sea level. She then ascended 18 meters towards

What is 125/21 as a mixed number?

Optional Number system extra practice Part 2 Copy 22

Which of the following decimals has the longest repeating cycle?

The set of whole numbers consists of all natural numbers along with which additional number?

If a number is rational, it cannot be: a) Whole b) Integer c) Irrational d) Natural

Which of the following is a non-zero number that belongs to every set: Whole, Integer, Rational.....

Which of these is a number that is real but NOT rational?

If 𝒂^𝟐+𝒃^𝟐=𝟏𝟒𝟖 and 𝒂𝒃=𝟓𝟒, then find the value of (𝒂+𝒃)/(𝒂−𝒃).

If 𝒙=𝟏𝟏, then the value of (𝒙^𝟓−𝟏𝟐𝒙^𝟒+𝟏𝟐𝒙^𝟑−𝟏𝟐𝒙^𝟐+𝟏𝟐𝒙−𝟏) is:

Simplify the following expression: (𝟎.𝟕^2+ (𝟎.𝟒 + 𝟎.𝟐)(𝟎.𝟕)+ (𝟎.𝟒 × 𝟎.𝟐))/((𝟎.𝟕 + 𝟎.𝟒))

Simplify ((𝟐𝟓𝒂^𝟐−𝟏𝟎𝒂𝒃−𝟒𝟖𝒃^𝟐 ))/(𝟓𝒂+𝟔𝒃)×(𝟓𝒂+𝟖𝒃)

If 𝟐𝒂−𝒃=𝟑 and 𝟖𝒂³−𝒃³ =𝟗𝟗𝟗, then find the value of 𝟒𝒂²−𝒃².

Simplify. सरलीकृत कीजिए। ((𝟎.𝟓𝟖 × 𝟎.𝟓𝟖 × 𝟎.𝟓𝟖 − 𝟎.𝟎𝟎𝟏))/(𝟎.𝟓𝟖 × 𝟎.𝟓𝟖 + 𝟎.𝟎𝟓𝟖 + 𝟎.𝟎𝟏)

If (𝒂 +𝟏/𝒂)= 𝟕√𝟑, then what is the value of (𝒂⁶ + 𝒂⁻⁶)?

If 𝒂𝒙+𝒃𝒚=𝟏 and 𝒃𝒙+𝒂𝒚=𝟐𝒂𝒃/(𝒂^𝟐+𝒃^𝟐 ) , then the value of 𝒙 (in terms of a and b) is:

If 𝒙 is an integer such that 𝒙 +𝟏/𝒙=𝟔𝟓/𝟖, then find the value of 𝒙 −𝟏/𝒙.

If √(𝒂/𝒃)=𝟖/𝟑−√(𝒃/𝒂) and 𝒂−𝒃=𝟏𝟎, then the value of 𝒂𝒃 is:

If √(𝒂/𝒃)=𝟖/𝟑+√(𝒃/𝒂) and (𝒂+𝒃)=𝟑𝟎, then what is the value of ab?

How many non-square natural numbers lie between 𝟓𝟎^𝟐 and 𝟓𝟏^𝟐 ?

Find the average of all prime numbers between 42 and 75.

What percentage of numbers from 1 to 70 have 1 or 9 in the unit's digit?

Identify a single-digit number other than 1, which may exactly divide the number ...................

Find the least value of K for which 7864K3 is divisible by 7.a) 4 b) 5 c) 2 d) 1