Delhi SI CPO Nov 23 Shift-2
For the following questions answer them individually
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.
What percentage of cars were running with speed less than 70 km/h?
A person's salary increased from ₹8,100 to ₹9,000. What is the percentage increase in his salary?
A bus covers a 50-kilometre distance in 1 hour 15 minutes, whereas the same distance is covered by a car in 45 minutes.Whatis the ratio of the speed of the bus to the speed of the car?
ABCD is a cyclic quadrilateral such that AB is a diameter of the circle circumscribing it and $$ \angle ADC = 148^\circ$$. What is the measure of $$ \angle BAC $$ ?
A rectangular lawn whose length is twice of its breadth is extended by having four semi-circular portions on its sides. What is the total cost (in ₹) of levelling the entire lawn at the rate of ₹100 per square metre, if the smaller side of the rectangular lawn is 12m?(Take $$\pi = 3.14 $$)
A9 cm solid metallic cube and a solid metallic cuboid having dimensions 5 cm, 13 cm, 31 cm are melted and recast into a single cube. What is the total surface area (in $$cm^{2}$$ )of the new cube?
X can do a work in 3 days, Y does three times the same work in 8 days, and Z does five times the same work in 12 days.If they have to work together for 6 hours in a day, then in how much time can they complete the work?
If$$\frac{\sin^{2} 30^\circ + \cos^{2} 60^\circ - \sec 35^\circ . \sin 55^\circ}{\sec 60^\circ + \cosec 30^\circ}$$ is equal to:
The value of $$\left(5 \frac{1}{4} \div \frac{3}{7} of \frac{1}{2}\right) \div \left(5 \frac{1}{9} - 7 \frac{7}{8} \div 9 \frac{9}{20}\right) \times \frac{11}{12} - \left(5 \div 2 of \frac{1}{2}\right)$$ is:
