Question
What is the main ore of
aluminum?Solution
Bauxite is the primary ore of aluminum, consisting mainly of hydrated alumina.
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 monthly incomes of individuals 'A' and 'B' are proportional, with 'A' earning at a ratio of 5:3 compared to 'B'. Their monthly savings follow a rati...
The ratio of two numbers P and Q is 6: 11 respectively. When 5 is added to P and 84 is subtracted from Q, then the ratio of P and Q becomes 5: 2 respect...
P and Q together have Rs 2,420. If 8/15 of P’s amount is equal to 4/5 of Q’s amount, how much amount does Q have?
Rs 1296 was divided among Anil, Bhanu and Charan in the ratio of 10:5:12 respectively. Find the amount received by Anil and Bhanu together.
In 2022, the ratio of boys to girls in a school was 8:7. By 2023, 50 boys and 80 girls had left the school, while 90 new boys and 30 new girls joined. A...
A sum of Rs.1000 is divided among P, Q and R such that P gets Rs.150 more than Q. Q gets Rs.110 more than R. How much does R receive?
The current heights of A, B, and C are in the ratio of 10:12:15. After one year, the height of A increases by 20%, the height of B increases by 33(1/3)%...
The ratio of males and females in a zoo is 5:6 respectively and the percentage of children among males and the percentage of children among females are ...
The cost of diamond varies directly as the square of its weight. A diamond broke into four pieces with weights in the ratio 1 : 3 : 4 : 7. if the loss i...
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