Question
If a and b are whole numbers such that ab =
169, find the value of (a-3)(b+2).Solution
The HCF of two numbers is 72, and their LCM is 2160. What is the sum of the numbers?
The product of two positive integers is 2646. If their HCF is 7 and their sum is 105, then find the difference between the numbers.
If total number of factors of 6,615 is 'x', then find the value of (x - 2)(x + 4).
If HCF of two numbers is 11 then which of the following can never be their LCM?
- The product of two numbers is 3888 and their L.C.M is 324. What is the H.C.F of the two numbers?
 The LCM of two numbers is 1991 and their HCF is 23. If one of the numbers is 181, the other number is
What is the HCF of (x4 - x2 - 6) and (x4 - 4x2 + 3) ?
(a) x2 - 3 (b)...
The HCF and LCM of two consecutive even number is 2 and 112 respectively. Find the sum of reciprocal of these two numbers?
A sum was lent at simple interest for 2.5 years. If the rate had been 7.5% more, the interest would have been Rs. 375 extra. What was the amount lent?
Find the greatest number which when divide 28, 82 & 109 leave a same remainder 1 in each case?