BIHAR CGL PRE PERCENTAGE QUIZ - 24

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Question 1:

Shikha spends $20 \%$ of her monthly salary on food and $\frac{2}{3}$ of the remaining on transport. If she saves Rs. 4000 per month which is equal to half the balance after spending on food and transport then her monthly salary is -

Question 2:

In an examination $55 \%$ Students failed in science and $65 \%$ students failed in social science $42 \%$ failed in both the subject. If 110 students passed in both the subject then find the total no of students appeared in examination.

Question 3:

Anuradha scoring $\mathrm{x} \%$ marks in an examination and fails by a mark, while Amit scores y% marks gets b marks more than the minimum required pass marks. What was the maximum marks for the examination?

Question 4:

The ratio of $A, B$ and $C$ is $1: 2: 3$ where as their average is 600 . If $A$ increases by $20 \%$ and B decreases by $25 \%$, then by how much $\%$ should $C$ be increased or decreased so that their average would increase by $5 \%$ ?

Question 5:

A, B and C respectively spends $50 \%, 60 \%$ and $80 \%$ of their respective incomes. If their savings ratio is $1: 2: 3$ and sum of their incomes is Rs 22000 , then find the income of $C$.

Question 6:

Ram babu distributes $1 \%$ of his monthly salary between his two sons every month. The elder son gets $80 \%$ and he spends $60 \%$ of his share every month. If he saves Rs 20 every month, then what is the monthly salary of Ram babu?

Question 7:

The respective ratio of the length and the breadth of a rectangle is 27 : 23. If the length of the rectangle is increased by 24% and the breadth is increased by 32%, then what will be the percentage increase in the perimeter of the rectangle?

Question 8:

In 156 kg mixture of sand and cement, percentage of cement is 45%. How much sand (in kg) should be added in the mixture so that the percentage of cement becomes 39% in the total mixture?

Question 9:

A box contains 13 red pens and 32 blue pens. How many red pens must be added to the box so that $80 \%$ of the pens will be red?

Question 10:

If the income of A and B is 21000 and 18500. The income of A is increased by 30% and the income of B is increased by 40%. Then find the total income of A and B?

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