Question: A:B=2:3, B:C=3:4, A:D=4:5. Find C:D.

• 1. 2:5
• 2. 4:5
• 3. 6:5
• 4. 8:5

Question: Find the fourth proportion to 3, 7 and 9.

• 1. 63
• 2. 31
• 3. 21
• 4. 27

Question: If 40% of a number is equal to two-third of another number, what is the ratio of first number to the second number ?

• 1. 2 : 5
• 2. 3 : 7
• 3. 5 : 3
• 4. 7 : 3

Question: 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 ?

• 1. 2 : 3 : 4
• 2. 6 : 7 : 8
• 3. 6 : 8 : 9
• 4. None of these

Question: 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?

• 1. 50
• 2. 100
• 3. 150
• 4. 200

Question: 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 :________?

• 1. 27
• 2. 33
• 3. 49
• 4. 55

Question: Two numbers are respectively 20% and 50% more than a third number. The ratio of the two numbers is :__________?

• 1. 2 : 5
• 2. 3 : 5
• 3. 4 : 5
• 4. 6 : 7

Question: A surn of money is to be distributed among A, B, C, D in the proportion of 5 : 2 : 4 : 3. If C gets Rs. 1000 more than D, what is B’s share ?

• 1. Rs. 500
• 2. Rs. 1500
• 3. Rs. 2000
• 4. None of these

Question: The ratio of the number of boys and girls in a college is 7 : 8. If the percentage iikcrease in the number of boys and girls be 20% and 10% respectively, what will be the new ratio ?

• 1. 8 : 9
• 2. 17 : 18
• 3. 21 : 22
• 4. Cannot be determined

Question: The sum of three numbers is 98. If the ratio of the first to the second is 2 : 3 and that of the second to the third is 5 : 8, then the second number is :__________?

• 1. 20
• 2. 30
• 3. 48
• 4. 58