Delhi SI CPO Nov 24 Shift-2

The simple interest on a sum of money at 10% per annum for 2 years is ₹ 8,100. Compounded annually, what would be the compound interest (in ₹) on the same sum for the same period at the same rate of interest?

Study the given histogram that shows the marks obtained by students in an examination and answer the question that follows.

If the total marks obtained by students be represented as a pie chart, then the central angle corresponding to marks 250 or more but less than 300 is: (correct to the nearest degree)

The internal measures of a cuboidal room are with length as 12 m, breadth as 8 m and height as 10 m. The total cost (in ₹) of white washing all four walls of the room and also the ceiling of the room,if the cost of whitewashing is ₹25 per $$m^{2}$$ is :

How many numbers between 400 and 700 are divisible by 5, 6 and 7?

A class has five sections that have 25, 30, 40, 45 and 60 students, respectively. The pass percentage of these sections are 20%, 30%, 35%, 40% and 100%, respectively. The pass percentage of the entire class is:

If $$a^{3}+b^{3} =217 $$ and $$a + b = 7$$, then the value of $$ab$$ is :

$$PQRS$$ is a cyclic quadrilateral. If $$\angle P$$ is 4 times $$\angle R $$, and $$\angle S $$ is 3 times $$\angle Q$$, then the average of $$\angle Q$$ and $$\angle R $$ is:

If 25% of 400 + 35% of 1260 + 27% of 1800 = 1020+ x, then the value of x lies between:

Pipes A, B and C can fill a tank in 15, 30 and 40 hours, respectively. Pipes A, B and C are opened at 6 a.m., 8 a.m. and 10 a.m., respectively, on the same day. When will the tank be full?

If $$4 \theta$$ is an acute angle , and $$\cot 4 \theta = \tan(\theta - 5^\circ)$$ is an acute angle, and $$\cot 46 = \tan(6 - 5^\circ)$$, then what is the value of $$\theta$$?