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Length of hour hand = 42 cm In 12 hours, hour hand completes one revolution. In 4 hours, hour hand complete (1/3) revolution. Distance covered by hour hand from 11 p.m. to 3 a.m. =1/3 × π r ² = 1/3 × 22/7×42×42 =22×84=1848cm
The current ages of 'Aman' and 'Bhanu' are in the ratio 2:5, respectively. 'y' years ago, the age of 'Bhanu' was twice the age of 'Chinky,' while 'y' ye...
Average of present age of A and C is 29 years and C is 8 years younger than B. Ratio of present age of A to present age of B is 6:5. Find present age of B.
The average age of 26 smdents in a class is 15 years. If teacher's age is included in it, then the average will increase by one. What is the teacher's a...
Six years ago, the ratio of ages of Alok and Ravi was 7:9, respectively. Eight years hence, the ratio of ages of Rohan and Ravi will be 5:6, respectivel...
Arjun is three years senior to Binny, who is twice as old as Chinu. If the average age of Arjun, Binny, and Chinu is 21 years, what is the age differenc...
Sum of the present ages of A, B, C and D is 60 years. After 2 years ratio of their ages is 7:5:3:2. What is C’s present age?
The sum of the ages of a father and his son is 50 years. After 10 years, the father will be four times as old as the son. What are their current ages?
The present ages of A and B are in the ratio 4:5. Sixteen years from now, B's age will be 15% more than A's age at that time. If C's current age is thre...
The ratio of the present ages of Ginni and Binni is 9:2 respectively. Ginni is ‘n’ years older than Binni. If after 5 years, the ratio of the ages o...
Present age of ‘A’ is 40% more than that of ‘B’. If 10 years hence from now, ‘B’ will be 4 years younger than ‘A’, then find the sum of ...
