Question
Which of the following is a noble
gas?Solution
There are six naturally occurring noble gases, which are - Helium (He), Neon (Ne), Argon (Ar), Krypton(Kr), Xenon (Xe), and Redon (Rn).
Current age of ‘A’ is 20% more than that of ‘B’. 5 years ago, the ratio of the ages of ‘A’ and ‘C’ was 5:6. If the total of current ages...
Before 8 years ago, the ratio of age of anil and Sunil is 5:7, after 6 years from now the ratio of their ages become 7:9, find the sum of present age of...
Sum of the present ages of A, B, C and D is 40 years. After 3 years ratio of their ages is 5:3:2:3. What is C’s present age?
Ratio of present ages of A and B is 11:10, respectively. C who is 5 years older than A will become 50 years older after 12 years. Find the present age o...
The average age of a group of 70 students is 14 years. If three students whose ages are 22 years, 20years, ________ years are replaced with th...
The ratio of age of ‘B’ after 6 years from now and age of ‘C’ 4 years ago from now is 7:4, respectively. The present age of ‘C’ is 40% of th...
15 years ago, A was 1/3 of B’s age. If the ratio of their present ages is 3:4, what will be the sum of their present ages?
- The age ratio of Kiran and Meena 3 years ago was 3:4. In 9 years from now, the ratio of their ages will be 5:6. What is the present age of Meena?
The current ages of A and B have a ratio of 7:9. Twelve years from now, B will be 12 years older than A. What will be the ratio of their ages in six years?
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?
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