Question
An object is placed 10 cm from a convex mirror of focal
length 15 cm. Find the position of the image.Solution
The ratio of the present ages of Ginni and Binni is 8:3 respectively. Ginni is ‘n’ years older than Binni. If after 4 years, the ratio of the ages o...
The ages of A, B and C together are 54 years. B is thrice as old as A and C is 4 years older than A. What is the difference between ages of B and C?
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...
Sushil’s present age is 1/2 times of her father’s age. After 13 years, father’s age will be 3 times the age of Sonu. If 3 years ago So...
Neeta is 15 years older than Reena. Five years ago, the ratio of Neeta's age to Reena's age was 11:8. What is Neeta's current age?
The ratio of ages of Aryan's grandfather and his father 14 years ago was 5 : 3. The present age of Aryan's grandfather is 7/2 of Aryan's age. If the age...
Which of the following is a video format?
‘A’ is 8 years younger than ‘B’ and 6 years elder than ‘C’. If the present age of ‘B’ and ‘D’ is 30 years and 20 years, respectively...
Present age of ‘A’ is 40% more than that of ‘B’. If 11 years hence from now, ‘B’ will be 5 years younger than ‘A’, then find the sum of ...
Seven years ago, 'R' and 'C' had ages in a ratio of 4:3, respectively. After seventeen years, the ratio of 'C' and 'R's ages will be 9:10, respectively....
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