SOUTIUId anu I TIIULUI.
(7) Present ages of Vatsala and Sara are 14 years and 10 years respectively. After how many
years the ratio of their ages will become 5 : 4?
(87-The ratio of present ages of Rehana and her mother is 2 : 7. After 2 years, the ratio of
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Answer:
The force, which opposes the relative motion between two surfaces in contact is known as friction.
Step-by-step explanation:
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