RRB GROUP D QUANT QUIZ

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Question 1:

The sides of a traingular park are $60 \mathrm{~m}, 112 \mathrm{~m}$ and $164 \mathrm{~m}$. The cost of levelling the park at the rate of Rs. 8.50/ $\mathrm{m}^{2}$ is :

Question 2:

If $x: 12:: \mathrm{y}: 18$, then $\frac{5 x+3 y}{x+y}=$ ?

Question 3:

The average score of 96 students (boys and girls) in a test is 85 . The ratio of the number of boys and girls is $11: 13$. The average score of the boys is $25 \%$ less than that of the girls. What is the average score of the boys in the test?

Question 4:

Find the HCF of 3341 and 3328.

Question 5:

By selling of an article for Rs. 144 there is a loss of $10 \%$. In order to gain $5 \%$ its selling price should be.

Question 6:

In what time will Rs. 6,500 become Rs. 11,180 at $12 \%$ per annum simple interest?

Question 7:

20 men can do a work in 30 days while they work 6 hours in a day then find in how many days 15 men will finish the same work if they work 8 hours in a day.

Question 8:

The difference of squares of two numbers is 180. The square of the smaller number is 8 times the larger number. Find the two numbers.

Question 9:

A rhombus whose side is $5$ cm and whose height is $4.8$ cm. If one diagonal is $8$ cm long, find the length of the other diagonal.

Question 10:

How much pure water has to be added to 40ml of a solution containing 20% of water to change the concentration of water in the mixture to 40%?