Question
A trader marked an item costing Rs 2000 by 25% above
its cost price and sold it for Rs 2250 after giving a discount of X%. Find the value of X.Solution
ATQ, 2000 × 125 / 100 × (100 − x) / 100 = 2250 2500 × (100 − x) / 100 = 2250 2500(100 − x) = 225000 100 − x = 90 x = 10%
Determine the smallest four-digit number that is evenly divisible by 12, 22, and 42.
Three natural numbers X,Y,Z are pairwise co-prime and satisfy the following conditions, the least common multiple (LCM) of X and ...
The smallest natural number that must be added to 1212 to make it a perfect square is:
There are three numbers 'u', 'v' and 'w' (u < v < w) such that 'v' is equal to the average of 'u' and 'w'. 80% of 'w' is equal to 'u' and the difference...
If 893x2 is divisible by 56, and x > 6, find x.
Consider three numbers whose total is 294. The first and second numbers are in a ratio of 5:7, and the second and third numbers are in a ratio of 7:9. D...
- If 246x179y is divisible by 72, find the value of (x + 2y).
Find the sum of the first 30 natural numbers.
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...
Relevant for Exams:
