[√ (225/729) -√ (25/144)] ÷ √ (16/81) = (15/27) – (5/12) ÷ (4/9) = (5/9) -(5/12) ×9/4 =5/36 ×9/4 =5/16
A number lies between the cubes of 13 and 14. If the number is divisible by 6 as well as square of 16. Find the number.
The raw material cost of an article is 1/3 of its manufacture cost. If the cost of manufacturing is decreased in the ratio of 4 : 3 and the cost of it...
If 6 is to 216 as 2 is to:
The ratio of two natural numbers 'u' and 'v' is 3:4, respectively. When 12 is added to 'u' and 8 is subtracted from 'v', the ratio of 'u' to 'v' becomes...
15 15 60 540 8650
...Find the third proportion of 30 and 12.
Three natural numbers are such that one-third of the first number is equal to two-fifths of the second, and two-thirds of the second number is equal to ...
The smallest value of n, for which 2n + 1, is not a prime number, is
Find the average of the cubes of the first 7 natural numbers.