SSC GD 2nd Dec 2021 Shift-3

Out of two numbers, the first number is three-fourth of the second number. If the average of the reciprocal of the two
numbers is $$\frac{7}{48}$$, then the first number is:

X can complete $$\frac{1}{4}$$ of a work in 3 days and Y can complete $$\frac{1}{6}$$ of the same work in 4 days. X and Y worked together for 6 days and Z alone completed the remaining work in 8 days. If Y and Z work together, how much time will they take to
complete the same work?

A pair of headphones marked at ₹1,600 is sold for ₹1,450. What is the percentage of discount (correct to two decimal places)?

A certain sum amounts to ₹9036 after 3 years and to ₹11484 after 7 years at the same rate per cent per annum at simple
interest. What will be the compound interest (in ₹) (to the nearest ₹) on the same sum for 2 years at the double rate of interest if interest is compounded annually?

Excluding stoppages, the speed of a bus is 60 km/h and including stoppages, it is 48 km/h. For how many minutes does the bus stop per hour?

The average of 4 numbers is 60 and the $$1^{st}$$ number is $$\frac{1}{3}$$ of the sum of the remaining three numbers. What is the first number?

Find the value of $$5 + 5 of 5 \div 5 - 13 \div 5 - 2 of 3 \div 3$$.

A purse was sold for ₹99 with a profit of 10%. If it was sold for ₹72, then what would be the percentage of profit or loss?

A dealer allows his customers a discount of 15% and still gains 10%. If the cost price of an article is ₹850, what is its marked price (in ₹)?

A loss of 12.5% is incurred when an article is sold for ₹630. What is the profit or loss percentage if the article is sold for ₹840?