The wheat sold by a grocer contained 10% low quality wheat. What quantity of good quality wheat should be added to 150 kgs of wheat so that the percentage of low quality wheat becomes 5%?

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BANK PO Exam (SBI) 2002 click here to view all questions

The wheat sold by a grocer contained 10% low quality wheat. What quantity of good quality wheat should be added to 150 kgs of wheat so that the percentage of low quality wheat becomes 5%?

A150 kgs

B135 kgs

C50 kgs

D85 kgs

Nithin ? undefined

Correct answer is: 150 kgs

Explanation:

Good quality content in 150 kgs. of wheat = 90% of 150 = 135 kgs.
In new mixture, low quality wheat is 5%, so good quality wheat 95%
and 5% of the new mixture = 15 kgs.

Therefore, New mixture = \(\frac{15 \times 100}{5}\) = 300 kg.

Therefore, Good quality of wheat added =  \(\left(300 - 150\right)\)= 150 kg.

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The salaries A, B, C are in the ratio 2 : 3 : 5. If the increments of 15%, 10% and 20% are allowed respectively in their salaries, then what will be new ratio of their salaries?

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INSURANCE EXAMS (LIC) 2006 click here to view all questions

The salaries A, B, C are in the ratio 2 : 3 : 5. If the increments of 15%, 10% and 20% are allowed respectively in their salaries, then what will be new ratio of their salaries?

A3 : 3 : 10

B10 : 11 : 20

C23 : 33 : 60

DCannot be determined

Nithin ? undefined

Correct answer is: 23 : 33 : 60

Explanation:

\(\eqalign{ & {\text{Let}}, \cr & A = 2k \cr & B = 3k\,{\text{and}} \cr & C\, = 5k \cr & A's\,{\text{new}}\,{\text{salary}} \cr & = \frac{{115}}{{100}}\,of\,2k = {\frac{{115}}{{100}} \times 2k} = \frac{{23k}}{{10}} \cr & B's\,{\text{new}}\,{\text{salary}} \cr & = \frac{{110}}{{100}}\,of\,3k = {\frac{{110}}{{100}} \times 3k} = \frac{{33k}}{{10}} \cr & C's\,{\text{new}}\,{\text{salary}} \cr & = \frac{{120}}{{100}}\,of\,5k = {\frac{{120}}{{100}} \times 5k} = 6k \cr & \therefore {\text{New}}\,{\text{ratio}} \cr & = {\frac{{23k}}{{10}}:\frac{{33k}}{{10}}:6k} \cr & = 23:33:60 \cr} \)

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The ratio of the earnings of A and B is 4:7. If the earnings A increase by 50% and those of B decrease by 25%, the new ratio of their earnings becomes 8:7. What areA's earnings?

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INSURANCE EXAMS (LIC) 2006 click here to view all questions

The ratio of the earnings of A and B is 4:7. If the earnings A increase by 50% and those of B decrease by 25%, the new ratio of their earnings becomes 8:7. What areA's earnings?

ARs 26,000

BRs 28, 000

CRs 21,000

DData inadequate

Nithin ? undefined

Correct answer is: Data inadequate

Explanation:

The ratio of the earnings of A and BB is 4:7

Let Earnings of A=4k

Earnings of B=7k

Earnings of A now becomes 4k+\(\frac{1}{2}​\)×4k=4k+2k=6k

Earnings of B now becomes 7k−\(\frac{1}{4}\)​×7k=\(\frac{3}{4}\)​×7k=\(\frac{21k​}{4}\)

Now ratio of earnings are \(\frac{6}{\frac{21}{4}}\)​=\(\frac{24}{21}\)​=\(\frac{8}{7}\)

Hence the Data is Inadequate.

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Average weight of three boys P, T and R is $54\frac{1}{3}$ kgs while the average weight of three boys, T, F and G is 53 kgs. What is the average weight of P, T, R, F and H ?

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INSURANCE EXAMS (LIC) 2006 click here to view all questions

Average weight of three boys P, T and R is $54\frac{1}{3}$ kgs while the average weight of three boys, T, F and G is 53 kgs. What is the average weight of P, T, R, F and H ?

A53.8 kgs

B52.4 kgs

C53.2 kgs

DData inadequate

Akilesh Kharvi ? Jun 28 '2020 at 20:35

Correct answer is: Data inadequate

Explanation:

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Sunetra invested an amount of Rs. 50,000 to start a software business. After six months Nikhil joined her with an amount of Rs. 80,000. At the end of 3 years they eamed a proflt of Rs. 24,500. What is Sunetra’s share in the proflt ?

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INSURANCE EXAMS (LIC) 2006 click here to view all questions

Sunetra invested an amount of Rs. 50,000 to start a software business. After six months Nikhil joined her with an amount of Rs. 80,000. At the end of 3 years they eamed a proflt of Rs. 24,500. What is Sunetra’s share in the proflt ?

ARs, 14,000

B Rs. 9423

CRs. 10, 500

DRs. 12,500

akilesh kharvi ? Jun 21 '2020 at 11:47

Correct answer is: Rs. 10, 500

Explanation:

The ratio of capital invested by each partner i.e. Sunetra and Nikhil for 1 month in order to get the same profit is :

36 x 50000 : 30 x 80000

= 3 : 4

Share of Sunetra out of

Rs.24500 = Rs.3/7 x 24500

= Rs.10,500

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