Question
If the mean proportion of 0.49 and 2.25 is 'k', then find
the value of '4k'.Solution
k = √(0.49 × 2.25) = √1.1025 = 1.05
Required value = 4 × 1.05 = 4.2
How many pairs of natural numbers (x, y) exist such that x>y and the product of x, y and HCF (x, y) = 2520? solve thisÂ
LCM of 21 5 , 21 10 and 21 15 is?
(1). 21 5
(2). 21 15
(3).2130
What is the unit digit of the number 'Z' obtained by subtracting the largest two-digit prime number from the least common multiple (LCM) of all single-d...
The smallest number which when divided by 27 and 36 leaves remainder 12 and 21 respectively is:
Two numbers are in the ratio 3:5. The product of their H.C.F. and L.C.M. is 3375. The sum of the numbers is:
Ratio of two numbers 5:9 and their LCM is 1260. Find the sum of the given two numbers.
A invested Rs. X in a business. After four months B Joined him with Rs. 7X and A double his investment. If at the end of the years total profit is Rs. 4...
If the sum of 2 numbers is 185, their LCM is 1700 and HCF is 5. Then the difference between 2 numbers is:
The H.C.F. of two numbers is 14 and the other two factors of their L.C.M. are 5 and 11. The larger of the two numbers is:
Two numbers have a sum of their LCM and HCF equal to 464, and their LCM is 28 times their HCF. One of the numbers is 64. Find the difference between the...
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