SSC CHSL 10 July 2019 Shift-1

If $$a + \frac{1}{a} = 2$$, what is the value of $$\left(a^4 - \frac{1}{a^4}\right)$$ ?

Two circles of diameters 4.8 cm and 8 cm are such that the distance betweentheir centres is 6.5 cm. What is the length of a common tangent to the circles that does notintersect the line joining the centres ?

The given Bar Graph presents the runs scored (A) and strike rate (B) of a batsman in five matches. Strike Rate is the number of runs scored per 100 balls faced. The strike rate (B) is taken on record only when the batsman scores at least 30 runs in a match.

How many runs the batsman should have scored in the fifth match in as many balls he had faced in that match so that the average strike rate of the second and the fifth match becomes 120 ?

Price of tea has increased by 20% butI have decided to increase my expenditure towards tea by 15% only. By What percentage should I reduce my consumption (correct to one place of decimal) in order to be able to maintain the same level of expenses towards tea?

The given Bar Graph presents the runs scored (A) and strike rate (B) of a batsman in five matches.Strike Rate is the number of runs scored per 100 balls faced. The strike rate (B) is taken on record only when the batsman scores at least 30 runs in a match.

What is the average run scored by the batsman in the five matches ?

Select the most appropriate word to fill in the blank.
Any account of the reign of King Harsha would remain ______ without a reference to Hiuen Tsang.

Select the most appropriate synonym of the given word.
IDENTICAL

Select the most appropriate word for the given group of words
place for collection of dried plant specimens

Select the correct indirect form of the given sentence.
Hemant said to the hotel receptionist, "Please tell Bharat I will come to see him tomorrow at 10 am."

Select the wrongly spelt word.