SSC CHSL 25 March 2018 Morning Shift

Instructions

For the following questions answer them individually

Question 1

If a number 6573547x45 is divisible by 9, then find the value of x.

Question 2

Calculate the value of $$\frac{59881\times59881-49681\times49681}{10200}$$

Question 3

If $$(\frac{5}{7})^{4x} (\frac{7}{5})^{3x-1} = (\frac{7}{5})^6$$, then the value of x which satisfies the equation.

Question 4

If $$\frac{x^{32}-1}{x^{16}}=5$$, then find the value of $$\frac{x^{96}-1}{x^{48}}$$

Question 5

If the length of the transverse tangent is 8 cm, then calculate the centre distance (in cm) of the two circles with radii 7 cm and 3 cm.


Question 6

Calculate the value of $$\angle OBC+\angle BAC$$, if O is the circum-centre of the triangle ABC inscribed in the circle.

Question 7

Weight of A and B are in the ratio 11 : 8. A’s weight increases by 40% and the total weight of A and B increases by 30%. What is the percentage increase in the B’s weight?

Question 8

The income of S, T and U are in the ratio of 7 : 9 : 6 and their expenses in the ratio of 4 : 5 : 3. If S saves Rs 2000 out of an income of Rs 14000, then what will be the saving (in Rs) of T?

Question 9

A mixture contains acid and water in the ratio of 7 : 3. If 4 litres of water is added to it, then the ratio of acid and water becomes 7 : 4. What is the quantity (in litres) of acid in the mixture?

Question 10

What will be the average of the first 7 positive odd numbers divisible by 5?

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