UP POLICE MATHS QUIZ-16

The price of an article is marked 20% above its cost price. If the shopkeeper makes a profit of $8 \%$ even after giving discount $\mathrm{x} \%$, then find the value of $x$.

A Deer was 400 metres away from a tiger coming towards him and speed of tiger is 120 $\mathrm{km} / \mathrm{h} .$ Deer realised the tiger after $7.5$ seconds and started running in the same direction as that of the Tiger. Tiger caught the deer after running for total $18.3$ seconds then what is the speed of Deer?

A hollow iron pipe is $14 \mathrm{~cm}$ long and its outer diameter is $6 \mathrm{~cm}$. If the thickness of the pipe is $1 \mathrm{~cm}$ and the weight of iron is $8 \mathrm{~g} / \mathrm{cm}^{3}$, then the weight of the pipe ( in $\mathrm{Kg}$) how much? Use $\left(\pi=\frac{22}{7}\right.$ )

The initial ratio of sugar and flour in a dough ball was $4: 7$. Justin added more flour to that $22 \mathrm{~kg}$ dough and made the ratio of sugar and flour $2: 5$. How much flour did Justin mix in afterwards?

Shyam deposits Rs. X for 2 years at $8 \%$ per annum compounded interest annually, which amounts to Rs. 72,900 . Then what is the value of ' $X$ '?

A and B working together can complete 45% of a work in 18 days. A alone can complete the same work in 60 days. A and B work together for 16 days, and then A leaves. B alone will complete the remaining work in:

$119 \div[22-\{90 \div(23-105 \div \overline{7 \times 3})\}]$

In a village $15 \%$ of the population are females and 272 are males. What is the total population of that village?

Let $x$ be the least number of 4 -digits which when divided by $12,15,20$ and 27 leaves, in each case, a remainder $7 .$ What is the sum of the digits of $x$ ?

The average of 100 numbers is 44 . The average of these 100 numbers and 4 other new numbers is 50 . The average of the four new numbers will be