SSC GD 17th Nov 2021 Shift-3

The average weight of 6 persons increases by 1.5 kg when a new person comes in place of one of them who was weighing 65 kg. What is the weight of the new person?

Pipes A and B can empty a full tank in 16 hours and 14 hours, respectively. Pipe C alone can fill the empty tank in 4
hours. If A, B and C are opened together, the tank will be 35% full after:

Simplify the following expression.
$$\frac{312 \div 26 + 60 \left(42-55 of 4 \div 10\right)\times2}{9+\left(12-2 of 4\right)}$$

A trader purchased 360 packets of pencils at the rate of ₹15 per packet. He sold 60% of the packets at the rate of ₹18 per packet and the remaining packets at the rate of ₹20 per packet. What is his gain per cent (up to one decimal place) in this transaction?

Two successive discounts, with the first being 10%, were given on an article having the marked price of ₹7,500. Finally, it was sold for ₹5,805. What per cent was the second discount?

The following sentence has been divided into parts. One of them may contain an error.
Select the part that contains the error from the given options. If you don’t find any error, mark ‘No error’ as your answer.
Please let me know / whether you decide / to come with me.

Select the most appropriate option to fill in the blank.
His condition was so critical that a senior doctor ______ performed the operation.

Select the most appropriate ANTONYM of the given word.
Detest

Select the most appropriate synonym of the given word.
Cruel

Select the option that can be used as a one-word substitute for the given group of words.
A large number of fish swimming together