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If x and y are two digits of the number 85254xy such that this number is divisible by 90. Find the minimum value of x + y?
A number is initially increased by 37.5% and then reduced by 40%. The final value obtained after these changes is 6,270. Determine 80% of the original n...
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 ...
N is a three-digit number. N2= ………74, how many possible values for N?
The difference between the value of the number increased by 20% and the value of the number decreased by 30% is 120. Find the number.
Arvind's age after 19 years will be 67 years. Ravi is 4 years older than Arvind. The ratio of present ages of Samar and Ravi is 9:13. Find the age of Sa...
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...