SSC GD 9th Feb 2023 Shift 2

Speed of a boat in still water is 8 km/h and the speed of the stream is 2 km/h. A man rows to a place at 90 km and comes back to the starting point. What is the total time taken by him in the given two-way movement?

The population of a village is 68000. It increases at the rate of 5 percent in thfier st year and decreases at the rate of 10 percent per annum for the next 2 years. What will be the population of the village after 3 years?

What is the volume of a hemisphere with radius 2.8 cm?(Use $$\pi = \frac{22}{7}$$)(Rounded up to three places of decimal).

A heap of wheat is in the form of a cone of diameter 30 m and height 8 m. How much canvas cloth will be required to just cover the heap (take $$\pi = 3.14$$)?

The traffic lights at two different road crossings change after every 54 sec and 76 sec, respectively. If they change simultaneously at 10:15:00 hours, thenfi nd the time at which they will change again simultaneously.

A dealer buys 50 chairs for ₹50,000, but 20 of them are damaged. He decides to sell each of the damaged chairs at $$\frac{3}{4}$$ the price of the normal one. What should this normal price be in order that he can make a profit of 35% in the entire transaction?

In a class there are 80 students. Average weight of girls is 40 kg and average weight of boys is 50 kg. If number of boys is 50, then what will be the average weight of class?

P, Q, and R working separately can do a piece of work in 50, 100, and 300 days respectively. If they work on alternate days, P works on thefi rst day, Q works on the second day, R works on the third day and then again P works on the fourth day and so on, then in how many days, the work will be completed?

A boat can travel at a speed of 30 km/h in still water. If thefl ow of the stream is 2 km/h. How long will it take by the boat to travel 56 km upstream?

When 40 is subtracted from 40 percent of a number the remainder is 40. Find the number.