Delhi SI CPO Nov 24 Shift-2

Whatis the least numberof soldiers that can be drawn upin troops of 10, 12, 15, 18 and 20 soldiers, and also in form of a solid square ?

The value of $$-7 \div [5 + 1 \div 2 - \left\{4 + (4  of  2 \div 4) + (4 \div 4  of  2)\right\}]$$ is:

A boy increases his speed to $$\frac{9}{5}$$ times of his original speed. By doing this, he reaches his school 40 minutes before the usual time. How much time (in minutes) does he take usually?

The perimeterof a right triangle is 60 cm and its hypotenuse is 26 cm. Whatis the area (in $$cm^{2}$$)ofthe triangle?

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

The number of students who obtained less than 350 marks is what per cent more than the number of students who obtained 400 or more marks?(correct to one decimal place)

In $$\triangle ABC, D$$ is the median from $$A$$ to $$BC, AB = 6  cm, AC = 8  cm$$ and $$BC = 10  cm$$ .The length of median $$AD$$(in cm)is

The HCF of two numbersis 29, and the other two factors of their LCM are 15 and 13. The larger of the two numbers is:

A 64 cm wide path is made arounda circular garden having a diameter of 10 metres. The area (in m?)ofthe path is closest to:
$$(take \pi= \frac{22}{7})$$

When a numberis successively divided by 3, 4 and 7, the remainders obtained are 2, 3 and 5, respectively. What will be the remainder when 84 divides the same number?

Let A and B be two towers with same base. From the midpoint of the line joining their feet. the angles of elevation of the tops of A and B are $$30^\circ$$ and $$60^\circ$$, respectively. The ratio of the heights of B and A is: