Delhi SI CPO Nov 25 Shift-1

Instructions

For the following questions answer them individually

Delhi SI CPO Nov 25 Shift-1 - Question 111


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

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Delhi SI CPO Nov 25 Shift-1 - Question 112


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)?

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Delhi SI CPO Nov 25 Shift-1 - Question 113


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:

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Delhi SI CPO Nov 25 Shift-1 - Question 114


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)

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Delhi SI CPO Nov 25 Shift-1 - Question 115


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?

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Delhi SI CPO Nov 25 Shift-1 - Question 116


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?

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Delhi SI CPO Nov 25 Shift-1 - Question 117


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?

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Delhi SI CPO Nov 25 Shift-1 - Question 118


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:

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Delhi SI CPO Nov 25 Shift-1 - Question 119


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?

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Delhi SI CPO Nov 25 Shift-1 - Question 120


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

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