In July 2023, which country successfully launched the 'Methane Liquid Oxygen Fuel Space Rocket'?
A Chinese private enterprise launched the world's first methane-liquid oxygen rocket. This accomplishment positions China ahead of competitors such as the United States, India, and Europe in the development of a next-generation launch vehicle capable of carrying payloads into orbit around Earth.
Present ages of P and Q are in the ratio 3:7 respectively. If Q’s age, 10 years hence from now will be 5 times of P’s age, 6 years ago from now, the...
The respective ratio of the present ages of A and B is 7:6. The present age of C is 20% more than that of B. The sum of the present ages of A, B and C i...
At present, the age of the father is 5 times that of the age of his son. After 10 years, the father’s age would be 3 times that of his son. Find t...
2n years ago, the age of Rahul was four times that of his son and n years ago, the age of Rahul was thrice that of his son. If n years later, the sum of...
The ratio of Anil’s age to Anila’s age is 6 : 5 and the sum of their ages is 66 years. What will be the ratio of their ages after 14 years?
Sum of the present ages of A, B, C and D is 55 years. After 5 years ratio of their ages is 5:4:3:3. What is C’s present age?
The ratio of the present age of A to that of B is 7:9. Six years ago the ratio of 1/3 of A’s age at that time and 1/3 of B’s age at that time was 1:...
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...
8 years ago, the average age of a family of six persons was 50 years. In between these 8 years the family adopted a girl. Now at present the average age...
A lad was asked his age by his friend. The lad said “The number you get when you subtract 25 times my age from twice the square of my age wi...
