Category: Ratio and Proportion

Seats for Mathematics, Physics and Biology in a school are in the ratio 5 : 7 : 8. There is a proposal to increase these seats by 40%, 50% and 75% respectively. What will be the ratio of increased seats ?

Hamad Ratio and Proportion 19/10/2021

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A. 2 : 3 : 4
B. 6 : 7 : 8
C. 6 : 8 : 9
D. None of these
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Two numbers are in the ratio 3 : 5. If 9 is subtracted from each, the new numbers are in the ratio 12 : 23. The smaller number is :________?

Hamad Ratio and Proportion 11/10/2021

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A. 27
B. 33
C. 49
D. 55

The ratio of boys and girls in a class was 11:13. 8 girls and 4 boys join the class from this academic year and the ratio becomes 4:5. Find the strength of the class.

Hamad Ratio and Proportion 30/09/2021

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A. 96
B. 68
C. 72
D. 108
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4 singers, 5 dancers and 3 comperes divide an amount of Rs.130000 among themselves such that 3 comperes get as much as 2 dancers and 3 dancers get as much as 2 singers. Find the amount received by a singer.

Hamad Ratio and Proportion 23/08/2021

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A. Rs.18000
B. Rs.13000
C. Rs.15000
D. Rs.10000
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Two kinds of rice, 1st costs Rs.13 per kg and 2nd costs Rs.19 per kg are mixed together. Find the ratio in which the 2 types are mixed so that the mixture costs Rs.14.2 per kg?

Hamad Ratio and Proportion 13/08/2021

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A. 3:1
B. 4:1
C. 3:4
D. 4:3
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A bag contains 1 rupee, 2 rupee and 5 rupee coins amounting to Rs.264. If the ratio of the number of these coins is 3:5:4, find the number of 1 rupee coins.

Hamad Ratio and Proportion 05/08/2021

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A. 66
B. 48
C. 24
D. 8
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In a bag, there are coins of 25 p, 10 p and 5 p in the ratio of 1 : 2 : 3. If there is Rs. 30 in all, how many 5 p coins are there?

Hamad Ratio and Proportion 02/08/2021

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A. 50
B. 100
C. 150
D. 200

According to a recipe, 400 grams of flour should be mixed with 500 grams of sugar to bake cookies. If I have only 300 grams of flour, how much sugar should I mix to maintain the same proportion?

Hamad Ratio and Proportion 21/07/2021

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A. 360
B. 380
C. 375
D. 400
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Find the value of x when y = 5, if x varies directly as 4y-1 and x = 14 when y = 2.

Hamad Ratio and Proportion 08/07/2021

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A. 38
B. 35
C. 10
D. 28
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Two natural numbers whose sum is 72 cannot be in the ratio:

Hamad Ratio and Proportion 18/06/2021

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