The ratio of the present age of Meena and Fiona is 16 : 13 respectively. Four years ago the respective ratio of their age was 14 : 11. What will be Fiona's age four years from now?

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BANK PO Exam (United Bank of India) 2010 click here to view all questions

The ratio of the present age of Meena and Fiona is 16 : 13 respectively. Four years ago the respective ratio of their age was 14 : 11. What will be Fiona's age four years from now?

A8 years

B32 years

C26 years

DNone of these

Nithin ? Aug 15 '2022 at 8:38

Correct answer is: None of these

Explanation:

Let the present age of Meena and Fiona be 16x and 13xyears respectively.
According to the question,

\(\implies \Large \frac{16x-4}{13x-4}=\frac{14}{11}\)

\(\implies 176x - 44 = 182x - 56\)

\(\implies 182x - 176x = 56 - 44\)

\(\implies 6x =12 => x = \frac{12}{6} = 2\)

Therefore, Fiona's age after four years = 13x + 4

\(= 13×2+4 = 30 \text{ years}\)

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Gina invests Rs 48,000 to start a business. Four months later Shrayon joins her by investing Rs 62,000 and another two months later Deepika joins them both by investing Rs 80,000. At the end of one year the business eams a profit of Rs 20,661. What is Deepika’s share in the profit ?

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Gina invests Rs 48,000 to start a business. Four months later Shrayon joins her by investing Rs 62,000 and another two months later Deepika joins them both by investing Rs 80,000. At the end of one year the business eams a profit of Rs 20,661. What is Deepika’s share in the profit ?

ARs 7,668

B Rs 6,603

C Rs 7,240

DRs 6,390

Akilesh Kharvi ? Jun 8 '2017 at 23:3

Answer is : Rs 6,390
Explanation:

Ratio of the proflts of Gina, Shrayon and Deepika

= 48000 × 12 : 62000 × 8 : 80000 × 6

= 48 × 12 : 62 × 8 : 80 × 6

= 36 : 31 : 30

Sum of ratios = 36 + 31 +30 = 97

Deepika’s share

= Rs. \(\Big(\frac{30}{97} \times 20661\Big)\)

= Rs. 6390

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A 320 metre long train crosses a platform thrice its length in 40 seconds. What is the speed of the train in km/hour ?

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A 320 metre long train crosses a platform thrice its length in 40 seconds. What is the speed of the train in km/hour ?

A 120.6

B115.2

C108.4

DCannot be determined

akilesh kharvi ? May 23 '2020 at 16:42

Correct answer is: 115.2

Explanation:

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2 men can complete a piece of work in 6 days. 2 women can complete the same piece of work in 9 days, where as 3 children can complete the same piece of work in 8 days. 3 women and 4 children worked together for 1 day. If only men were to finish the remaining work in 1 day, how many total men would be required ?

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2 men can complete a piece of work in 6 days. 2 women can complete the same piece of work in 9 days, where as 3 children can complete the same piece of work in 8 days. 3 women and 4 children worked together for 1 day. If only men were to finish the remaining work in 1 day, how many total men would be required ?

A 4

B8

C6

DCannot be determined

Akilesh Kharvi ? May 29 '2017 at 18:34

Answer is : 8

Explanation:

 \(2 \times 6\) men = 18 women = 24 children

2 men = 3 women = 4 children

3 women + 4 children = 4 men

part of work done in 1 day by 4 men = \(\frac{1}{3}\)

Remaining \(\frac{2}{3}\) work will be finished by 8 men in 1 day.

Hence, 8 men would be required.

 

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