Question
Among the following irrigation systems, which is most
efficient and economical?ÂSolution
Drip irrigation saves water up to 90%.
At present Ashish age is 5times Garima’s age and 2(1/2) of Aanchal’s age. After 9 years Ashish will be 2 times Garima’s age. What is A...
At present Meena is eight times her daughter’s age. Eight years from now, the ratio of the ages of Meena and her daughter will be 9 : 2 respective...
Two years ago, the ages of A, B, and C were x−6x - 6, x+10x + 10, and x+14x + 14 years respectively. If the average of their current ages is 38 years,...
Present ages of ‘A’, ‘B’ and ‘C’ are in the ratio 10:12:15, respectively. If present average age of ‘A’ and ‘C’ is 50 years, then fi...
Present ages of P and Q are in the ratio 5:7 respectively. If Q’s age, 11 years hence from now will be 5 times of P’s age, 5 years ago from now, the...
B is 5 years older than A and A is 7 years older than C. If the sum of the age of A and C is 21 years, then find the sum of the ages of all three.
A boy’s age is 130% of what it was 10 years ago, but 65% of what it will be after 10 years. What is his present age?
- The present ages of Arun and Varun are in the ratio 1:2. 5 years ago, the average age of Arun, Varun, and Kiran was 25 years. At that time, Arun was 10 yea...
A is 6 years older than B who is four times as old as C. The total sum of the ages of A, B and C is 60. How old is B?
2 years ago, age of A and B was in the ratio 2:3. After 6 years, the ratio becomes 6:7. Present age of C is 6 years more than the present age of B. Find...
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