SSC CPO 10th Nov 2022 Shift 2

The length of a cold storage is 5 times its breadth, and its height is 8 m. The area of its four walls (including the doors) is 720 $$cm^{2}$$ . Find the total surface area of cold storage.

A truck goes from Haryana to Bangalore with an average speed of 60 km/h. The journey takes 30 hours. It returns from Bangalore to Haryana on the same road with an average speed of 40 km/h. What was the average speed of the truck during the roundtrip?

In a journey of three unequal laps, a car covers a distance of 200 km in 4 h in the first lap, while another 162 km at the speed of 15 m/s in the second lap. It covered the remaining distance of the final lap in 4 h such that the average speed of the car for entire journey was 50 km/h. What was the speed of the car in the third lap of the journey?

Three persons P, Q, R run along a circular track at speeds of 3 km/h, 4 km/h, 6 km/h, respectively. If the length of the track is 36 km, then after how much time will they meet again at the starting point?

A tangent is drawn from an external point ‘A’ to a circle of radius 12 cm. If the length of the tangent is 5 cm, then the distance from the centre of the circle to point ‘A’ is:

The price of a bat and a ball are in the ratio 9 : 5. The price of the bat is Rs.380 more than the price of the ball. Find the price of the ball.

The greatest number of five digits which is divisible by 13, 15, 18 and 21 is:

Solving the following equation

$$456 - \left(76 + 15^{2}\right) + \frac{3}{4} of \frac{76}{18} \div \left(\frac{19}{72 \times 24}\right)$$

Three metallic spheres of radii 10 cm, 8 cm and 6 cm, respectively, are melted to form a single solid cone of radius 12 cm. Find the curved surface area of the cone, correct to two places of decimal. (take $$ \pi = 3.14$$)

The following bar graph shows the sales (in thousand numbers) of scooters from six different companies in 2011 and 2012.

The average sales of companies B and D in 20 12 are what percentage of the average sales of companies A and E in 2011 ?