SSC GD 17th Nov 2021 Shift-2

The least number of square tiles required to pave the floor of a room with dimensions 15 metres and 12 metres will be:

A can do a certain piece of work in 20 days. B is 25% more efficient than A, and C is 20% more efficient than B, A and C work together for 5 days. B alone will complete the remaining work in:

By selling an article for ₹170. a man loses 15%. What per cent will he gain or lose, if he sells it for ₹206,40?

Seema is younger than Reema by 8 years. If 4 years back, their ages were in the ratio 1 : 2, then the age (in years) of Seema after 6 years from now , will be:

A trader sells an item for ₹805 after offering a discount of 12.5% on its marked price. Had he not offered the discount, be would have earned a profit of 15%. What is the cost price (in ) of the item?

The speed of a boat in still water is 10 km/h. The time taken by the boat to go 35 km downstream is 1.25 times the time taken by it to go 14 km upstream. How much time (in hours) will it take to go 60 km downstream?

The marked price of an article is , ₹450. It is sold for ₹267.30, after offering three successive discounts of 10%, $$x$$ %, and 20%. What is the value of $$x$$?

P sold a lamp to Q at a profit of 20%. Later, Q sold the same lamp to P at a profit of 30%, thereby making a profit of  ₹108. How much (in ₹) did P pay originally for the lamp?

A number is decreased by 25% and then increased by 25 .The net percentage increase or decrease is:

A certain sum amounts to ₹8,640 in 2 years at simple interest and to ₹9,720 in 3 years. The sum (in ₹) and the rate of inerest p.a., respectively, are: