Delhi SI CPO Nov 23 Shift-2

If house tax is paid before the due date, one gets a reduction of 12% on the amount of the bill. By paying the tax before the due date, a person got a reduction of ₹2,100. The amount(in ₹) of house tax was:

The least number which is exactly divisible by 5, 6, 8, 10 and 12 is:

The value of $$\frac{0.325\times0.325+0.175\times0.175+25\times0.00455}{5\times0.0065\times 3.25-7\times0.175\times0.025} - \frac{0.5}{1.5}$$ is :

The given bar graph represents the number of boys and girls in five different schools. Study the graph and answer the question that follow

What is the average number of boys in schools A, B, C, D and E?

If $$\sec 3x = \cosec (3x - 45^\circ)$$, where 3x is an acute angle, then x is equal to:

The given histogram shows the frequency distribution of the speed of cars passing though at a particular spot on a highway. Study the graph and answer the question that follows.

What is the ratio of the number of cars with speed less than 60 km/h to the number of cars with speed more than 80 km/hr?

When operated separately, pipe A takes 5 hours less than pipe to fill a cistern, and when both pipes are operated together, the cistern gets filled in 6 hours. In how much time(in hours) will pipe B fill the cistern, if operated separately ?

The average weight of a group of 3 people A, B and C is 70 kg. When D joins this group, the average becomes 60 kg. One man E, whose weight is 5 kg more than that of D, replaces A and the average weight of B, C, D, and E now becomes 59 kg. A’s weight (in kg) is:

If the annual rate of simple interest increases from 11% to $$17 \frac{1}{2} %$$ a person’s yearly income increases by ₹1,071.20. The principal amount invested (in ₹) is:

A person travels a distance of 300 km and then returns to the starting point. The time taken by him for the outward journey is 5 hours more than the time taken for the return journey. If he returns at a speed of 10 km/h more than the speed of going, what is the average speed (in km/h)for the entire journey?