Question
Which of the following electromagnetic waves have the
highest wavelength?Solution
The correct answer is A
Present age of ‘C’ is 20% more than that of ‘D’. 3 years ago, ‘C’ was 1.4 times as old as ‘D’. Find the present age of ‘D’.
...Four years ago, the ratio of ages of ‘Ravi’ and his sister was 3:4, respectively. 4 years from now, the ratio of ages of Ravi and his mother will be...
The present age of a mother is 4 times that of her daughter. After 12 years, the mother’s age will be 1 year more than twice the daughter’s age. Fin...
- Three years ago, the combined age of Pawan and Qureshi was 49 years. Currently, the ratio of their ages is 5:6. What will be Qureshi’s age four years fro...
A boy’s age is 125% of what it was 8 years ago, but 75% of what it will be after 8 years. What is his present age?
At the time of 'Binny's birth, the age of 'Ankush' was twice the present age of 'Binny'. Fourteen years from now, if the ratio of their ages is 25:13, f...
The present ages of 'A' and 'B' are in the ratio of 6:7. 20 years ago, A's age was 50% less than B's age at that time. Find the difference between thei...
Three years ago, the ratio of ages of ‘Ravi’ and his sister was 3:4. Three years from now, the ratio of ages of Ravi and his mother will be 2:5. In ...
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...
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...
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