Syntel Company Numerical Ability Ratio and Proportion

The ratio of the incomes of A and B is 5 : 4 and the ratio of their expenditures is 3 : 2. If at the end of the year, each saves Rs. 1600, then the income of A is:
1. Rs. 3800
2. Rs. 4800
3. Rs. 4000
4. Rs. 4500

Read Solution (Total 2)

let incom = x and expediture = y

so acording to question
5x - 3y = 1600
4x - 2y = 1600

solve this equstion and get the value of x and multypli it with 5
that is the right answer.
and it 4000
11 years agoHelpfull: Yes(26) No(3)

A expenditure is 3 part and saving 2 part
2 part =1600
1 part is 800
so 5 part of A is 4000
9 years agoHelpfull: Yes(7) No(2)

Syntel Other Question

The electricity bill of a certain establishment is partly fixed and partly varies as the number of units of electricity consumed. When in a certain month 540 units are consumed, the bill is Rs. 1800. In another month 620 units are consumed and the bill is Rs. 2040. In yet another month 500 units are consumed. The bill for that month would be:
1. Rs. 1605
2. Rs. 1680
3. Rs. 1840
4. Rs. 2050 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