Prepare for your exams with Eduvai.

In a class the ratio of the number of boys to girls is 5 : 3. What percent of the students of the class are girls?

1. A 37.5%
2. B 50%
3. C 60%
4. D 62.5%

A sum of money is distributed among x, y & z in the proportion 5 : 7 : 10. What is the largest amount of taka not exceeding 1000 which could be distrubuted among them without using a fraction of a taka?

1. A 968
2. B 989
3. C 990
4. D 999

If 36 students in a class are female and the ratio of female students to male students is 9 : 11, what percentage of the class is female?

1. A 25%
2. B 33.33%
3. C 45%
4. D 66.66%

A room has a floor area of 150 sq. feet. If the length & breadth of the room are in the ratio 3 : 2, then what is the length of the floor in feet?

1. A 10
2. B 15
3. C 20
4. D 9

Whichof the ratio is the greatest?

1. A 3 : 7
2. B 5 : 9
3. C 7 : 11
4. D None

35% of Tahia's income is equal to 25% of Noria's income. The ratio of their income is--

1. A 4 : 3
2. B 4 : 7
3. C 5 : 7
4. D 7 : 5

If a : b = 4 : 7 and b : c = 5 : 6, then a : b : c =?

1. A 20 : 35 : 30
2. B 20 : 35 : 42
3. C 24 : 42 : 30
4. D 7 : 6

A person buys some pens and pencils. The pen costs Tk.7 ech and pencil costs Tk.3 each. If he spends exactly Tk.81 and buys the maximum numbers of pen possible under these conditions, what is the ratio of pen to pencil?

1. A 2 : 3
2. B 3 : 2
3. C 4 : 3
4. D 5 : 3

A sum of money is to distributed among A, B, C, D in the proportion of 5 : 2 : 4 : 3. If C gets Tk. 1000 more than D, what is B's share?

1. A None of these
2. B Tk. 1500
3. C Tk. 2000
4. D Tk. 500

Divide Rs.5625 among A, B and C so that A receive 1/2 as much as B & C and B 1/4 of what A and C together receive?

1. A 1125, 1870, 2630
2. B 1875, 1125, 2625
3. C 2625, 1875, 1125
4. D 6

In a 500m race, the ratio of the speeds of two comtestants A and B is 3 : 4. A has start of 140m. Then A wins by:

1. A 10m
2. B 20m
3. C 40m
4. D 60m

Saif, Noman and Morshed divided a sum of money among thenselves in the ratio 2 : 3 : 7. Find the share of Saif if the total share of Saif and Noman together is Tk.1500 less than that of Morshed.

1. A Tk.1200
2. B Tk.1500
3. C Tk.2000
4. D Tk.2500