Find the fourth proportion to 2, 3, 6, x ?
A). 3
B). 9
C). 9
D). 12
9
2 : 3 :: 6 : x=> 2/3 = 6/x=> x = 18/2 => x = 9
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1. The present ages of Reena and Usha are 24 years and 36 years respectively. What was the ratio of the age of Usha to that of Reena eight years ago ?
2. The sub-duplicate ratio of 1 : 4 is
3. In a zoo, there are rabbits and pigeons. If heads are counted, there are 340 heads and if legs are counted there are 1060 legs.How many pigeons are there?
4. Narendra started a business, investing Rs 30,000. Six months later, Chandan joined him with Rs 15,000. If they make a profit of Rs 10,000 at the end of the year, what should be the share of Narendra ?
5. The ratio of present ages of Rangana and Sayed is 7:5. After 11 years the ratio of their ages will be 4:3. What is Rangana's present age?
6. Monthly income of A and B are in the ratio of 4 ∶ 3 and their expenses bear the ratio of 3 ∶ 2. If each of them saves Rs. 6000 at the end of the month, then what is the monthly income of A?
7. What number has a 5:1 ratio to the number 10?
8. What number should be added to or subtracted from each term of the ratio 17 : 24 so that it becomes equal to 1:2
9. The compound ratio of 2/3, 6/7, 1/3 and 1/8 is given by?
10. Profit of Rs 1,03,500 has to be divided between three partners A, B and C in the ratio 11:7:5. How much amount (in Rs) does B get?
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