DSSSB PRT MATHS QUIZ 4

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Question 1:

Direction: What should come in Place of Question Mark (?) in the following question?

$45 \times 17+27 \% of 1800+39=X \times 25$

Question 2:

If the 6-digit numbers $x 35624$ and $1257 y 4$ are divisible by 11 and 72 , respectively, then what is the value of $(5 x-2 y)$ ?

Question 3:

A car covers a certain distance in 45 minutes at a speed of 60 kmph. What should be the speed in kmph, if it has to cover the same distance 5 minutes earlier?

Question 4:

A and B can do a job alone in 12 days and 15 days respectively. A starts the work and after 6 days B also joins to finish the work together. For how many days B actually worked on the job?

Question 5:

What is the fourth proportional to 15,12 and 20 .

Question 6:

A, B and C invested capital in the ratio $5: 7: 4$, the timing of their investments being in the ratio x:y:z. If their profits are distributed in the ratio $45: 42: 28$, then $x: y: z=$ ?

Question 7:

A person sold 15 articles for Rs. 1350 and incurred a loss of $10 \%$. How many articles should he sell for Rs 6050 to make a profit of $21 \%$ ?(Approx)

Question 8:

The salary of a person was reduced by $10 \%$. By what per cent should his reduced salary be raised to get the amount similar to his orginal salary?

Question 9:

The sum of eleven consecutive odd numbers of a set is 825 . What is the average of first five numbers of the same set?

Question 10:

A cubical tank has 48000 liters of water. Find the depth of water in the tank, if the length of the tank is $8 \mathrm{~m}$ and breadth is $3 \mathrm{~m}$.