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NPM → N + 2 = P, P - 3 = M EGD → E + 2 = G, G - 3 = D LNH → L + 2 = N, N - 3 = K ≠ H XZW → X + 2 = Z, Z - 3 = W QSP → Q + 2 = S, S - 3 = P
Four years ago, the age of person 'A' was three times the age of person 'B'. Eight years from now, the age of person 'A' will be 24 years more than the...
The present ages of A and B are in the ratio 4:5. Sixteen years from now, B's age will be 15% more than A's age at that time. If C's current age is thre...
The ratio of A and B present age is 7:3. The product of their ages is 8400. What will be the ratio of their ages after 4 years?
Sum of the present ages of Gaurav and Shubham is 100. Age of Gaurav four years ago was twice the age of Shubham six years ago. Find the square root of a...
The average weight of 20 students in a class is 50 kg. If the weight of the teacher is included, the average weight increases by 1 kg. If the weight of ...
The ratio of age of ‘B’ after 6 years from now and age of ‘C’ 4 years ago from now is 7:4, respectively. The present age of ‘C’ is 40% of th...
Five years ago, the average age of a family of four members was 25 years. Six years hence, the ratio of their ages will be 9:7:5:3. Find the a...
10 years ago, the ratio of the ages of Maya and Neil was 4:3. The present age of Jake is 10 years more than one-fourth of Neil’s present age. Find the...
7 years ago, Meera’s age was equal to the Heena’s present age. The sum of Meera’s age 10 years from now and Heena’s age 5 years ...
A student multiplied a number by 4/5 instead of 5/4. What is the percentage error in the calculation.
