Syntel Company Numerical Ability Boats and Streams

The compounded ratio of (2 : 3), (6 : 11) and (11 : 2) is:
1. 7 : 2
2. 2 : 1
3. 11 : 24
4. 58 : 121

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Syntel Other Question

Zinc and copper are melted together in the ratio 9 : 11. What is the weight of melted mixture, if 28.8 kg of zinc has been consumed in it?
1. 58 kg
2. 80 kg
3. 64 kg
4. 90 kg
Albert buys 4 horses and9 cows for Rs.13,400. If he sells the horses at 10% profit and the cows at 20% profit, then he earns a total profit of Rs.1880. The cost of a horse is:
1. Rs. 2200
2. Rs. 2000
3. Rs. 2700
4. Rs. 3200