DSSSB PRT MATHS QUIZ 13

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Question 1:

In world cup Champions, Rohit scored an average of 120 runs per match in the first 3 match and an average of 140 runs per match in the last four match. What is Rohit's average runs for the first match and the last two match if his average runs per match for all the five match is 122 and total number of matches are 5 ?

Question 2:

How long, will it take for a sum of money to grow from Rs 1250 to Rs 10,000 , if it is invested at $12.5 \%$ p.a simple interest?

Question 3:

Direction : What should come in place of question mark (?) in the following question?

$5 \frac{15}{17} \%$ of $4913-(15)^{2}=(?)^{2}$

Question 4:

The area of square shaped park is $2304 \mathrm{~m}^{2}$ The breadth of a rectangular field is $\frac{1}{4}$ th the side of the square park and its length is $150 \%$ of its breadth. What is the cost of levelling the rectangular field at Rs. 8 per $\mathrm{m}^{2} ?$

Question 5:

Age of Ajay and Vijay is in the ratio $8: 9$, after 9 years their ages are in the ratio 19 : 21. Find the present age of Vijay. (in years)

Question 6:

A shopkeeper has three articles – P, Q and R. The cost price of the article P is 20% more than the cost price of the article Q. The cost price of the article Q is 30% more than the cost price of the article R. The cost price of article P is increased by 40% and it is sold in Rs 15724.80 at a profit of 50%. If article R is marked up 60% above the cost price, then what is the marked price of the article R in rupees?

Question 7:

What quantity of water should be added to reduce 16 litres of $25 \%$ acidic solution to $20 \%$ acidic solution?

Question 8:

Find the net discount of three successive discounts of $20 \%, 15 \%$ and $10 \%$ ?

Question 9:

Lakhan travelled 150km by car, 120km by train and 60 km by Foot. The total journey took 12 hours 30 minutes. If the rate of the car is 5 times that of the Foot and the rate of train is 4 times that of foot, find the rate of the train per hour.

Question 10:

Mohan Can do a piece of work in $10\\ \ \mathrm{days}$ and Atul can do same work in 12 days. They Started working together but Mohan left the work after 2 days, then find the time taken by Atul to complete the remaining work.