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Total score of 30 students = 30 × 60 = 1800. Total score of 5 new students = 5 × 70 = 350. Total score of 35 students = 1800 + 350 = 2150. New average score = 2150 / 35 = 61.43. Answer: a) 61.4
Two numbers are respectively 30% and 40% more than a third number. Find the ratio of two numbers.
If A : B = 8:5 and A is 21 more than B then find the sum of A and B.
A bag contains a certain number of balls of different colors. The ratio of the number of black-colored balls to white-colored balls is 5:7, respectively...
A solution contains 40L of pure milk. 25% of his this is taken out. Another 25% of the remaining solution is taken out and finally 25% of the contents l...
The ratio between two numbers is 4:5. If each number is increased by 6, the ratio between then become 7:8, find the difference between numbers.
A sum of Rs. ' K ' was intended to be distributed among Bunty, Babli, and Munna in the ratio of 2:3:4. However, due to an error, the amount was mistak...
If A:B:C = 3:4:7 and (C - A + B) = 48, then find the value of (2C + A2).
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...
120 is divided into two parts in such a way that the sixth part of the first part and the seventh part of the second are in the ratio 5 : 6. How much pe...
A sum of Rs.10600 is to be divided among 6 brothers, 5 sisters and 3 aunts. If each sister receives four times as much as each aunt and each brother rec...
