Question
If the area of a square field is 441 m2, then
find the diagonal of the square field.Solution
Area of a square = a2 => a2 = 441 => a = 21 Diagonal of the square = a√2 = 21√2 m
At present, Naveen is six years younger than Mohit. Mohit’s age fifteen years hence will be equal to thrice that of Naveen three years ago. What w...
Eight years ago, the sum of the ages of Helen and Karen was 50 years. Eight years hence, the ratio of their ages will be 9:11. Find the current age of H...
The sum of the ages of C and D after 10 years will be 100 years. If the ratio of their present ages is 9:7, find the difference between their ages.
Twelve years hence, the ratio between the ages of C and E is 5:7 respectively. The present age of A is 25% less than that of D. Four years ago, the aver...
- Five years ago, the ratio of age of ‘A’ to ‘B’ was 4:5. Seven years from now, their age ratio will be 6:7. Find the present age of ‘Z’, who is ...
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 ...
At present Raveena age is 3(1/2) Diksha’s age and half of Mitesh’s age. After 6 years Raveena will be 2 times Diksha’s age. What is Raveena’s p...
Three years ago, the ratio of ages of C and D was 3:4. Seven years from now, the ratio of their ages will be 5:6. What is the current age of C?
6 years from now, the ratio of ages of Amit and Sumit will be 4:5, respectively. The sum of their present ages is 114 years. What is the difference betw...
The ratio of difference between the present age of A and B to the present age of B and C is 6:1. 6 years hence, the ratio between the age of A and C is ...