Iron was proved to be essential for plants by:
The correct answer is A
In a classroom there are 16 boys and 12 girls. Average age of each boy and each girl is 21 years and 17 years respectively. The sum of ages of all the b...
Two years ago, the combined ages of Armaan and Bikash equaled Chetna's age at that time. Ten years ago, Armaan was twice as old as Bikash. If, in five y...
The ratio of age of ‘B’ after 7 years from now and age of ‘C’ 6 years ago from now is 7:4, respectively. The present age of ‘C’ is 30% of th...
Sum of the present ages of A, B, C and D is 70 years. After 5 years ratio of their ages is 5:4:3:3. What is C’s present age?
The current age ratio of Akash to karan is 7:9, and the current age ratio of karan to Chetna is 3:5. If the average of their present ages is 62 years, d...
The present age of A is 9/4 times to that of his marriage age. Present age of his brother is 1/3rd of his present age. If A was married 35 years ago the...
A is 3 years older than B while C is 4 years younger than B. The ratio of age of A, 8 years hence and age of B, 6 years ago is 5:4. What was age of C, 1...
The ratio of the present ages of ‘A’ and ‘B’ is 7:6, respectively. Two years hence from now, the age of ‘B’ will be 20 years. If the average...
If the ratio of the ages of Karan and Saroj is 5 : 7. 8 years ago, the ratio of their ages was 2 : 3. Find the present age of Saroj?
A is 2 years older than B while C is 3 years younger than B. The ratio of age of A, 6 years hence and age of B, 5 years ago is 5:4. What was age of C, 1...
