Two whole numbers whose sum is 72 cannot be in the ratio:
5 : 7
3 : 5
3 : 4
4 : 5
85 kg of a mixture contains milk and water in the ratio 27 : 7. How much more water is to be added to get a new mixture containing milk and water in the ratio 3 : 1 ?
5 kg
6.5 kg
7.25 kg
8 kg
In a class, there are 100 students and among them 40 are girls. What is the ratio of the number of boys to the number of girls?
3 : 2
2 : 3
1 : 1
The ratio of the number of boys and girls in a college is 7 : 8. If the percentage increase in the number of boys and girls be 20% and 10% respectively. What will be the new ratio?
8 : 9
17 : 18
21 : 22
Cannot be determined
If 20kg of rice cost Rs.200 less than 80 kgs of wheat. If a kg mixture of rice and wheat is in the proportion 2:3 and cost Rs.15, Find per kg cost of rice in Rs
15
20
10
None of these
The ratio between the whole expenses on taxes for every year and the entire expenses on fuel and transports for every year is around
8:56
4:12
3:78
10:13
5:78
A bag contains 50p, 25p and 10p coins in the ratio 5 : 9 : 4 amounting to Rs.206. Find the number of coins of 10p?
206
200
360
160
The ratio of Gomathi’s and Rashmi’s ages is 3:5 respectively. After ten years this ratio will become 2:3. What is Rashmi’s age in years?
50
40
60
cannot be determined
A can contains a mixture of two liquids A and B in thye ratio 7:5. When 9 litres of mixture are drawn off and the can is filled with B, the ratio of A and B becomes 7:9. How many litres of liquid A was contained by the initially?
21
25
A man has divided his total money in his will in such a way that half of it goes to his wife, 2/3 rd of the remaining among his three sons equally and the rest among his four daughters equally. If each daughter gests Rs. 20,000, how much money will each son get?
Rs. 48,233.33
Rs. 50,333.33
Rs. 53,333.33
Data inadequate
The electricity bill of a certain establishment is partly fixed and partly varies as the number of units of electricity consumed. When in a certain month 540 units are consumed, bill is Rs 1800. In another month 620 units are consumed and the bill is Rs.2040. In yet another month 500 units are consumed. The bill for that month would be?
Rs. 1560
Rs. 1680
Rs. 1840
Rs. 1950
The fourth proportional to 5, 8, 15 is:
16
24
28
In what ratio must a grocer mix two varieties of pulses costing Rs.15 and Rs. 20 per kg respectively to obtain a mixture worth Rs.16.50 per Kg?
1 : 2
2 : 1
3 : 7
7 : 3
What is the ratio of third proportional to 12 and 30 and the mean proportional between 9 and 25 is?
5 : 1
1 : 5
5 : 2
2 : 5
5x2 – 13xy + 6y2 = 0,then x : y is:
(2 : 1) only
(3 : 5) only
(5 : 3) or (1 : 2)
(3 : 5) or (2 : 1)
A, B and C shared the profit in a business in the ratio 5 : 7 : 8. They had partnered for 14 months, 8 months and 7 months respectively. What was the ratio of their investments?
10:12:14
12:24:28
20:22:12
20:49:64
The average price of three items of furniture is Rs. 15000. If their price are in the ratio 3 : 5 :7, the price of the cheapest item is:
Rs. 9000
Rs. 15000
Rs. 18000
Rs. 21000
A,B,C enter into a partenership investing Rs.35,000, Rs.45,000 and Rs.55,000 respectively.The respective shares of A,B,C in an annual profit of Rs.40,500 are:
Rs.10,500,Rs.13,500,Rs.16,500
Rs.11,500,Rs.13,000,Rs.16,000
Rs.11,000,Rs.14,000,Rs.15,500
Rs.11,500,Rs.12,500,Rs.16,500
What is the ratio whose terms differ by 50 and the measure of which is 3 / 5
80
95
75
Salaries of Ravi and Sumit are in the ratio 2 : 3. If the salary of each is increased by Rs. 4000, the new ratio becomes 40 : 57. What is Sumit's salary?
Rs. 17,000
Rs. 20,000
Rs. 25,500
Rs. 38,000
From a number of apples, a man sells half the number of existing apples plus 1 to the first customer, sells 1/3rd of the remaining apples plus 1 to the second customer and 1/5th of the remaining apples plus 1 to the third customer. He then finds that he has 3 apples left. How many apples did he have originally?
18
25x
If the numerator of a fraction is increased by 200%and the denominator of the fraction in increased by 150%, the resultant fraction is 7/10. What is the original fraction?
3/4
7/12
7/11
9/11
The salaries A, B, C are in the ratio 2 : 3 : 5. If the increments of 15%, 10% and 20% are allowed respectively in their salaries, then what will be new ratio of their salaries?
3 : 3 : 10
10 : 11 : 20
23 : 33 : 60
Arun, Kamal and Vinay invested Rs. 8000, Rs. 4000 and Rs. 8000 respectively in a business. Arun left after six months. If after eight months, there was again of Rs. 4005, then what will be the share of Kamal?
Rs. 890
Rs. 1335
Rs. 1602
Rs. 1780
If 0.75 : Z : : 5 : 8, then Z is equal to
1.1
1.2
1.3
1.4
Find the ratio in which rice at Rs. 7.20 a kg be mixed with rice at Rs. 5.70 a kg to produce a mixture worth Rs. 6.30 a kg.
1:3
2:3
3:4
4:5
Hitesh is 40 years old and Ronnie is 60 years old. How many years ago was the ratio of their ages 3 : 5 ?
5 years
10 years
20 years
37 years
Five years ago the ratio of the ages of A and B 2 : 3 and after 7 years it will be 4 : 5 What is the present age of ‘A’?
12 years
15 years
17 years
A milk vendor has 2 cans of milk. The first contains 25% water and the rest milk. The second contains 50% water. How much milk should be mixed from each of the containers so as to get 12 litres of milk such that the ratio of water of milk is 3:5?
4 litres, 8 litres
6 litres, 6 litres
5 litres, 7 litres
7 litres, 5 litres
Which of the following fractions is the smallest?
13/16
15/19
17/21
7/8