1. ‘A’ starts business with Rs. 3500 and after 5 months, ‘B’ joins with ‘A’ as his partner. After a year, the profit is divided in the ratio 2:3. What is B’s contribution in the capital? (Rs. =
Rupees)
a. Rs. 7500
b. Rs. 8000
c. Rs. 8500
d. Rs. 9000
EXPLANATION
A B
3,500 * 12 : x * 7
42,000 : 7x
6,000 : x
2x —> 6,000
x —> 3,000
Therefore, 3x —-> 9,000
2. On an Island, there are four men for every three women and five children for every three men. How many children are there on the island if it has 531 women?
a. 454
b. 1180
c. 1070
d. 389
EXPLANATION
Women: Men = 3:4
Men : Children = 3:5
Thus, Women : Men : Children = 9 : 12 :20 = 531 : 708 : 1180
In the ratio, 9 implies 531 women
Therefore, 20 implies 1180 children
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