Recent questions tagged ratio-proportion

4 votes
2 answers
41
If P : Q = 2 : 3 , Q : R = 4 : 5 and R : S = 6 : 7 , then P : S = ?A. 18: 25B. 17: 35C. 16: 35D. 8: 11E. None of these
2 votes
2 answers
42
Three numbers A, B and C are in the ratio of 12 : 15 : 25. If sum of these numbers is 312, find the ratio between the difference of B and A and the difference of C and B....
0 votes
1 answer
43
Using only $2, 5, 10, 25$ and $50$ paise coins, what will be the minimum number of coins required to pay exactly $78$ paise, $69$ paise and Rs $1.01$ to three different ...
0 votes
2 answers
47
Of $128$ boxes of oranges, each box contains at least $120$ and at most $144$ oranges. The number of boxes containing the same number of oranges is at least$5$$103$$6$Can...
1 votes
1 answer
51
Three friends went for a picnic. First brought five apples and the second brought three. The third friend however brought only Rs. $8$. What is the share of the first fri...
0 votes
1 answer
56
Suppose you have a currency, named Rubble, in three denominations: $1$ Rubble, $10$ Rubbles and $50$ Rubbles. In how many ways can you pay a bill of $95$ Rubbles? $15$ $1...
0 votes
0 answers
57
From each of the two given numbers, half the smaller number is subtracted. Of the resulting numbers the larger one is three times as large as the smaller. What is the rat...
2 votes
1 answer
60
In what proportion should milk and water be mixed to reduce the price of milk from Rs.18 per litre to Rs.16 per litre?(a) 8:1 (b) 10:1(c) 6:1 (d) None of these
1 votes
1 answer
61
A milkman has 50 litres of milk. Find quantity of water to be added in it so that he gets 20% profit by selling at its cost price?
2 votes
1 answer
62
A drum is completely filled by mixture of milk n water. By replacing 12 litres of solution from drum by 12 litres of water, concentration of milk drops from 18% to 15%.,...
1 votes
1 answer
64
Suppose you have a currency, named Miso, in three denominations. $1$ Miso, $10$ Misos and $50$ Misos. In how many ways you can pay a bill of $107$ Misos?$17$$16$$18$$15$$...
1 votes
1 answer
65
A cube has a volume of 8 cubic metres. If each side is doubled in length what will its new volume be in cubic metres?1624324864