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Start learning 50% faster. Sign in now"Three decade" is incorrect because "decade" is singular. Since "three" is plural, the correct word should be "decades" (plural form).Corrected Sentence:"Overweight and obesity in adults and children have doubled in the last 15 years and tripled in the last three decades."
Ratio of number of book to number of pen sold by a shopkeeper is 25:18, respectively while ratio of number of pen to number of pencil sold by the same s...
If A:B:C = 3:4:7 and (C - A + B) = 48, then find the value of (2C + A2).
The mean proportion of 289 and 144 is:
What is the third proportional to 9 and 36?
The cost of diamond varies directly as the square of its weight. A diamond broke into four pieces with weights in the ratio 3 : 4 : 5 : 6. if the loss i...
In a clothing store, the ratio of shirts to trousers to T-shirts is 2:6:5. After Y trousers are sold, the ratio of shirts to trousers changes to 4:9. Th...
In College A, the ratio of boys to girls is 3:2, while in College B, the ratio is 7:3. If 20% of the boys from College A are undergraduates and 60% of t...
Monthly savings of ‘Q’ is 25% more than that of ‘P’ and is 56% less than monthly income of ‘P’. Monthly expenditure of ‘Q’ is Rs. 4100 a...
A sum of money is divided among P, Q, R and S in the ratio of 2:3:9:10 respectively. If the share of R's is Rs. 3900 more than the share of Q, then what...