SSC GD 16th Jan 2023 Shift 1

Find the LCM of $$\frac{2}{5}, \frac{4}{15}$$ and $$\frac{6}{25}$$.

The radius of a hemisphere is 21 cm. Its volume (in $$cm^{3}$$ ) will be: (Use $$\pi = \frac{22}{7}$$)

A dealer marked the price of an item 45% more than its cost price and sold it by allowing a discount of 20%. Find his profit percentage.

A dishonest merchant uses a false weight of 200 gm instead of 250 gm. What is his profit percentage?

A store announces the following three schemes to sell its articles. Which of these gives the maximum discount to the buyer?
A. Two successive discounts of 20% and 24%
B. Buy 5 get 3 free
C. Buy 13 get 7 free

Rani goes to school from home at a certain speed and returns to home at the speed of 50 km/h. If the distance between her home and school is 20 km and the average speed of the whole journey is 37.5 km/h, then what is her speed from home to school?

If a : b = 2 : 7 and 343 is the third proportional to a and b, then the value of b - a is:

M can do a piece of work in 12 days and N in 24 days. They begin together, but M leaves the work 6 days before the completion of the work. Find the total number of days to complete the entire work.

What principal will amount to Rs.5,324 in 2 years, when the interest is compounded at 10% per annum, compounding annually?

S buys sugar for Rs.40 per kg and sells at Rs. x per kg. Due to a fault in the weighing machine, it shows 1 kg when the actual weight is 800 gm. What is the value of x per kg if his profit percentage is 30%?