Question
Which number system is commonly used in mathematics
and everyday life?Solution
Decimal with base 10
- If ‘A’, ‘B’ and ‘C’ are in proportion in the given order while ‘A’ = 18 and ‘B’ = 54, then find the value of ‘C’.
A, B, and C invested capital in the ratio 3: 4: 8. At the end of the business period, they received profits in the ratio 2: 3: 5. What is the ratio of t...
The ratio of the incomes of Vineet and Vidya is 8:5 respectively. Vineet saves 25% of his income while Vidya saves 20% of his income. The sum of their e...
The ratio of the two numbers is 7:15. 120% of the first number is equal to the 70% of the second number. Find the sum of both the numbers.
- The ratio of the pocket money of two persons ‘E’ and ‘F’ is 8:3, respectively. ‘E’ spends 75% of his pocket money while ‘F’ spends 50% of h...
A person distributes Rs. 61,600 among 11 men, 13 women and 3 children. If each woman receives four times as much as each children and each man receives ...
Ratio of males to females in village ‘A’ and village ‘B’ is 4:5 and 15:16, respectively and number of females in village ‘B’ is 25% more tha...
The cost of diamond varies directly as the square of its weight. A diamond broke into four pieces with weights in the ratio 2 : 3 : 4 : 5. if the loss i...
The ratio of the speeds of Train A, Train B, and Train C is 3:5:7 respectively. Train D moves 6 km/hr slower than Train B. If the difference between Tra...
The ratio between the number of books and pencils is 7:5 and the ratio of cost of per book and pencil is 3:2 then find the percentage by which total cos...
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