Three numbers x ≤ y ≤ z which are co-prime to each other are such that the product of the first two numbers is 143 and that of the last two numbers is 195. The sum of the three numbers is________

If I is subtracted from each odd digit and 2 is added to each even digit in the number 9345712, what will be difference between the largest and smallest digits thus formed?

The sum of a number, its half, its 1/3 and 27, is 71. Find the number.

Which of the following pairs of numbers is co-prime?

There are four prime numbers taken in ascending order. The product of the first three prime numbers is 1771 and the sum of the last two prime numbers is 82. What is the product of the last two prime numbers?

Which of the following numbers is divisible by both, 7 and 11?

There are three numbers which are co-prime to one other such that the product of the first two is 357 and that of the last two is 609, What is the sum of the three numbers?

The sum of three consecutive multiples of 9 is 2457, find the largest one.

The sum of the first 8 prime numbers divided by 7 is equal to

The sum of the digits in a two-digit number is 9. If the value of the number is 6 more than 5 times the digit in the ones place, then the number is:

The sum of double of the largest two-digit prime number and triple of the largest three-digit prime number is equal to

If I is added to each odd digit and 2 is subtracted from each even digit in the number 53478231, what will be the sum of the digits that are second from the left and second from the right?

From the numbers 51, 52, 53, ....100, find the sum of the smallest and the greatest prime numbers as given.

A number, when divided by the sum of 335 and 265, gives three times the difference between 335 and 265 as the quotient and 35 as the remainder. What is that number?

The sum of two numbers is 32 and one of them exceeds the other by 18. Find the greater number.

Which of the following pairs is NOT coprime?

The smallest natural number that must be added to 1212 to make it a perfect square is:

Find the smallest number by which 6300 must be multiplied to make it a perfect square

Which of the following pairs of numbers are co-primes?

The HCF of any set of 10 co-prime numbers is always

Express the following as a vulgar fraction.

For a positive integer b > 1, if the product of two numbers 6344 and 42b8 is divisible by 12, then find the least value of b.

If a, b, c and d are 4 whole numbers such that a + b + c = d where a, b, d are all odd numbers, then find c.

What is the difference between the place and face values of '5' in the number 3675149?

Which of these numbers has the most number of divisors?

Find the HCF of 175, 56 and 70.

Find the place value of 5 in 2.00589

A courtyard 4.55 m long and 5.25 m broad is paved with square tiles of equal size. What is the largest size of tile used?

Find the LCM and HCF of 1.75, 5.6 and 7.

Which of these numbers has the most number of divisors?

What is the difference between the place and face values of '5' in the number 3675149?

Which pair of these numbers is coprime?

Find the GCD of 1.08, 0.36 and 0.90.

When a natural number 'n' is divided by 4, the remainder is 3. What will be the remainder when (2n + 3) is divided by 4?

The LCM of two numbers which are in the ratio 2: 3 is 48.What is their sum?

Product of two coprime numbers is 903. Find their LCM.

What is the remainder when $7^2 × 9^2$ is divided by 8?

What are the LCM and HCF of the reciprocals of 18 and

Find the smallest integer whose cube is equal to itself.

Which of the following numbers is not divisible by 99 ?

If a seven-digit number 7x634y2 is divisible by 88, then for the largest value of y, what is the difference of the values of x and y?

Which of the following numbers is divisible by both 11 and 12 ?

An 11-digit number 7823326867X is divisible by 18. What is the value of X?

If the 9-digit number 83x93678y is divisible by 72, then what is the value of (3x - 2y)?

If the number x4441 is divisible by 11, what is the face value of x?

If a nine-digit number 785x3678y is divisible by 72, then the value of (x - y) is :