BIHAR CGL PRE MATHS QUIZ-3

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Question 1:

Chameli lent Rs.1,200 and Rs.800 at $10 \%$ and $8 \%$ rate of simple interest to Shila and Radha respectively. If she got Rs.2,208 as interest on total money lent then for how many year did she lent money?

Question 2:

If the chairs are bought at Rs. 600 each and sold at Rs. 700 each then what will be the profit percentage ? ,

Question 3:

After allowing a discount of $10 \%$ a shopkeeper managed to sell an item at Rs 10800 and still he earned $30 \%$ profit. Had he sold the item at $5 \%$ discount, then what would be his profit 5 ?

Question 4:

In a mixture of 55 L. the ratio of milk and water is 7:4. What will be the amount of water to be added to make the ratio 7:6?

Question 5:

Find the difference between the largest 5 - digit number and the smallest 4-digit number.

Question 6:

Find the product of the sum of digits of the smallest 4 - digit number which is divisible by 6 and the sum of digits of the smallest 5 - digit number which is divisible by 11 .

Question 7:

A sphere of radius $9 \mathrm{~cm}$ is moulded to form a cylinder of radius $3 \mathrm{~cm}$. Find the height of the cylinder.

Question 8:

A man on a tour travels the first $120 \mathrm{~km}$ at $60 \mathrm{~km} / \mathrm{h}$ and the next $12 \mathrm{~km}$ at $80 \mathrm{~km} / \mathrm{h}$. What is the average speed of the journey?

Question 9:

A can complete a task in 8 days while B can complete it in 12 days. In how many days can C complete the task if all 3 of them together can complete it in 3 days?

Question 10:

Average of four consecutive even numbers is 37 and average of four consecutive odd numbers is 30 . Find difference between highest even number and second smallest odd number?