Delhi SI CPO Nov 25 Shift-1

The radius of the base of a cylinder is 14 cm andits volumeis 6160 $$cm^3$$, The curved surface area (in $$cm^2$$) is:

(Take $$\pi = \frac{22}{7}$$)

A train x running at 74 km/h crosses another train y running at 52 km/h in the opposite direction in 12 seconds. If the length of y is two-thirds that of x , then what is the length of y (in m)?

If $$4(cosec^2 57 - \tan^2 33) - \cos 90 + y * \tan^2 66 * \tan^2 24 = \frac{y}{2}$$, then the value of y is:

The given histogram shows the height of the students.

What is the percentage of students whose height is in the class interval 165 - 175 ? (correct to the nearest integer)

A person invested ₹ 12,000 on simple interest for 7 years to obtain a total amount of ₹ 20,400 on a certain annual rate of interest. What was the rate of interest to obtain the above amount?

The given bar graph shows the number of students of two schools over a period of six years.

In the bar graph, what is the ratio of the average of total students from school B to the average of total students from school A?

What is the sum of the digits of the least number which when divided by 15, 18 and 36 leaves the same remainder 9 in each case and is divisible by 11?

The average weight of A, B and C is 65 kg. If the average weight of C and B is 61.5 kg, and the average weight of A and C is 68.5 kg, then the weight of C (in kg) is:

A is twice as good a workman as B, and together they finish a piece of work in 13 days. In how many days will A alone finish the work?

Two numbers are in the ratio 7 : 11. If their HCF is 28, then the sum of the two numbers is: