UP POLICE MATHS QUIZ-24

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Question 1:

Which of the following number is not completely divisible by $87 .$

Question 2:

Simplify the expression: $\{432 \times 12 \div 4+(48-17 \times 2) \div 7\}$

Question 3:

Directions : What value will come in place of the question mark (?) in the following question?

$ \sqrt{(124+?+169)}=18 $

Question 4:

A man can row a distance of 1800 meters against the stream in 24 minutes and returns to the starting point in 18 minutes. How much time it will take to cover $147 \mathrm{~km}$ in still water?

Question 5:

The ratio of the ages of Raju and his son is 8 : 3. The product of their ages is 600 and the ratio of the ages of Raju and his wife is 10 : 9. After 3 years, what will be the ratio of age of Raju's wife to that of son?

Question 6:

Tap A can fill a cistern in 12 minutes. Tap B can fill the same cistern in 20 minutes. There is an outlet pipe that can empty 42 litre of water in a minute. If all pipes are opened together, tank become full in 30 minutes. Find volume of tank.

Question 7:

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 8:

A bicycle rider covers his onward journey from A to B at $10 \mathrm{~km} /$ $\mathrm{hr}$ and during the return journey from $\mathrm{B}$ to A he covers same distance at $8 \mathrm{~km} / \mathrm{hr}$. If he finishes the onward and return journey in $4 \frac{1}{2}$ hours, then the total distance covered by him during the entire journey is?

Question 9:

A shopkeeper marks his goods at $40 \%$ above their cost price. He is able to sell $\frac{3}{4}$ th of his goods at this price, and the remaining at $40 \%$ discount. Assuming that the shopkeeper is able to sell all the goods he buys, find his loss or gain as $\%$ on the whole transaction.

Question 10:

If $x 2753 y$ is exactly divisible by 88 , then find the value of $(2 x+3 y) ?$