CTS Company Numerical Ability Profit and Loss

The cost of 7 tables and 12 chairs is Rs 48,250. What is the cost of 21 tables and 36 chairs?
A) Rs 96,500
B) Rs l,25,500
C) Rs l,44,750
D) Cannot be determined
E) None of these

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CTS Other Question
‘A’ can complete a piece of work in 12 days. ‘A’ and ‘B’ together can complete the same piece of work in 8 days. In how many days can ‘B’ alone complete the same piece of work?
A) 15 days
B) 18 days
C) 24 days
D) 28 days
E) None of these
 Ninad, Vikas and Manav enter into a partnership. Ninad‘ invests some amount at the beginning. Vikas invests double the amount after 6 months and Manav invests thrice the amount invested by Ninad afier 8 months. They earn a profit of Rs 45,000 at the end of the year. What is Manav’s share in the profit?
A)Rs 25,000
B)Rs 15,000
C)Rs 12,000
D)Rs 9,000
E) None of these