Question

A and B started a business with initial
invest inents in the ratio 14: 15 and their annual
profits were in the ratio 7:6. If A invested the for
10 months, for how many months did 8 invest his
money?
(a) 6 (b) 7 (c) 8 (D)9​

Answer 1

Answer:

2. The value of x + x(xx) when x = 2 is:

(a) 10, (b) 16, (c) 18, (d) 36, (e) 64

Solution:

x + x(xx)

Put the value of x = 2 in the above expression we get,

2 + 2(22)

= 2 + 2(2 × 2)

= 2 + 2(4)

= 2 + 8

= 10

Answer: (a).

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Answer 2

Let A invest Rs 14a for 10 months and B invest Rs 15a for b months

Then,

15a×b

14a×10

=

6

7

b=

105

840

=8

Hence B invested money for 8 months

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