SSC MTS MATHS QUIZ-41

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Question 1:

If 300 metres long train takes 30 seconds to cross a pole, then what is the speed (in $\mathrm{km} /$ $\mathrm{hr}$ ) of the train?

Question 2:

A solution contains acid and water in the ratio of $4: 5 .$ If $20 \%$ of the solution is replaced by water, then what will be the ratio of acid and water in the new solution?

Question 3:

A, B, C, subscribe together Rs. 50,000 for a business. A subscribes Rs. 4,000 more than B and B Rs. 5,000 more than C. Out of a total profit of Rs. 35,000, A receives :

Question 4:

The average age of a jury of 5 is 40 . If a member aged 35 resigns and a man aged 25 becomes a member, then the average age of the new jury is:

Question 5:

Two men $A$ and $B$ started a job in which $A$ was thrice as good as $\mathrm{B}$ and therefore took 60 days less than $\mathrm{B}$ to finish the job. How many days will they take to finish the job, if they start working together?

Question 6:

The last digit, that is the digit in the unit's place of the number $\left[(57)^{25}-1\right]$ is:

Question 7:

Nitin borrowed some money at the rate of $6 \%$ p.a. for first three years, $9 \%$ p.a. for the next five years and $13 \%$ p.a. for the period beyond eight years. If the total interest paid by him at the end of eleven years is Rs. 8,160, the money borrowed by him (in Rs.) was -

Question 8:

The volume of a right circular cone is 1232 $\mathrm{cm}^{3}$ and its vertical height is $24 \mathrm{~cm}$. Its curved surface area is:

Question 9:

A car covers $\frac{1}{5}$ of the distance from $A$ to $B$ at the speed of $8 \mathrm{~km} / \mathrm{h}$ and $\frac{1}{10}$ of the distance at the speed of $25 \mathrm{~km} / \mathrm{h}$ and the remaining at the speed of $20 \mathrm{~km} / \mathrm{h}$. Find the average speed of the whole journey:

Question 10:

Abhay sold a book at a loss of $10 \%$. Had he sold it for Rs. 108 more, he would have earned a profit of $10 \%$. Find the cost price of the book?