Delhi SI CPO Nov 23 Shift-2

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.

The number of cars with speed between 70 km/h and 80 km/his what percentage more than the number of the cars with speed between 50 km/h and 60 km/h? (correct to one decimal place)

$$3\frac{1}{3} \div2\frac{1}{2} $$ of $$1\frac{3}{5}+ (\frac{3}{8} +\frac{1}{7} \times 1\frac{3}{4})$$ is:

The students of a class donated a sum of ₹2,209. If each student donated as many rupees as the number of students in the class, then the number of students in the class is:

IfAis $$\frac{1}{6}$$ of C, and B is twice ofA, and the average ofA, B and C is 30, then the difference between A and C is:

If a wheel has diameter 42 cm, then how far does the wheel go (in metres) in 12 revolutions? (Take $$\pi=\frac{22}{7}$$)

A sum of ₹8,200 was divided among A, B and C in such a way that A has ₹500 more than B, and C has ₹300 more than A. How much was A’s share (in ₹)?

The given pie chart shows the percentage distribution of 450 employees in an organisation. Study the pie chart and answer the questions that follows .

What is the number of employees working in department B?

In $$\triangle ABC, \angle A = 66^\circ$$. AB and AC are produced to points D and E, respectively. If the bisectors of angle CBD and angle BCE meet at the point O, then $$\angle BOC$$ is equal to:

The length of the shadow of a vertical pole on the ground is 18 m.If the angle of elevation of the sun at that time is $$\theta$$ , such that $$\cos\theta=\frac{12}{13}$$, then what is the height (in m)of the pole?

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

What is the ratio of girls and boys from all the schools taken together?