Question
A spherical conductor of radius R is surrounded by a
concentric spherical shell of radius 2R. The capacitance of this system is:Solution
The ratio of the present ages of P and Q is 6:5 respectively. If the age of P 10 years hence from now will be 100% more than the age of Q 4 years ago fr...
- The total of ages of Nitin and Sumit at present is 60 years. Four years ago, the ratio of their ages was 6:7. Find the present age of Sumit.
In 5 years from now, the ratio of ages of P and Q will be 9:5. If age of P after 15 years is 150% more than age of Q 12 years ago, find the difference b...
Present ages of βKβ and βLβ are in the ratio 14:6, respectively. If βtβ years hence from now, βKβ will be twice as old as βLβ, then ...
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...
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...
4 years ago, the ratio of the ages of A and B was 2:3 and after 4 years it will become 4:5. Find their present ages.
Amit age after 10 years will be 3 times his age 4 years back. What is the present age of Amit?
The ratio of age of βMβ 8 years ago to the age of βNβ 2 years hence from now is 1 : 2. If the sum of their present ages is 50 years, then find t...
"Amit and Bishnu's current ages are in the ratio 4:5. Chintu's age is 40% more than Amit's age. If Bishnu and Chintu's ages sum up to 106 years, what is...
Relevant for Exams:
