If 6 4 x 5.75 9,

Then, (x²-1) = ?

6 × 0.5 + 1 = 4 4 × 1 - 1.5 = 2.5 2.5 × 1.5 + 2 = 5.75 5.75 × 2 - 2.5 = 9 Hence, x = 2.5 Hence, (2.5)² - 1 = 6.25 -1 = 5.25

The greatest number of four digits which when divided by 10, 12, 14 leave remainders 5, 7, 9 respectively is:

Sum of the two numbers is 42. LCM and HCF of that two number is 72 and 6 respectively. Find the sum of reciprocals of the numbers?

The sum of two numbers is 156 and their HCF is 26. Find how many such pairs can be formed.

Find the least number of four digits which is exactly divisible by 6, 24 and 32?

Find the HCF of 3341 and 3328.

The sum of two numbers is 99 and their HCF is 11. Total number of such pairs of numbers is?

The L.C.M of a² – 2a – 3 and a³ + a² + a + 1 is

The ratio of two number is 6 : 5 and their HCF is 15. So find and their LCM?

The LCM of two numbers is 12 times their HCF. The sum of LCM and HCF is 403 and if both the number are smaller than their LCM. Find both the numbers?

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