SSC CGL MATHS QUIZ-38

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Question 1:

To Qualify for a racing event, Rajesh has to cover a distance of $157 \frac{1}{2} \mathrm{~km}$ in 150 minutes. At what speed should rajesh drive (in $m / \mathrm{sec}$ ) to qualify for the event?

Question 2:

A, B and C were given a contract of Rs. 2310 for doing a certain piece of work. All three working together can complete the work in 8 days. $B$ and $C$ together can do it in $13 \frac{1}{3}$ day, while $\mathrm{C}$ and $\mathrm{A}$ can do it in 12 days. What is the share of B (in Rupees)?

Question 3:

What is the average of first 11 multiple of 12 ?

Question 4:

A Sum at simple interest becomes two times in 7 years at a certain rate of interest p.a. The time (in years) in which the same sum will be eight times at the same rate of simple interest is:

Question 5:

In the given figure, $\mathrm{BD}=6 \mathrm{~cm}, \mathrm{DC}=8 \mathrm{~cm}, \mathrm{r}$ $=4 \mathrm{~cm}$. Find the value of $\mathrm{AB}$ ?

Question 6:

Three straight lines $x, \mathrm{y}$ and $z$ are parallel and the angles are as shown in the figure above. Find the value of $\angle A C B ?$

Question 7:

Two pipes A and B can fill a cistern in 18 minutes and 24 minutes respectively. If both the pipes are opened together then after how much time should B be closed so that the tank is full in 12 minutes.

Question 8:

A's income is Rs. 90 less than B's income and C's income is Rs. 75 more than D's income. If the ratio of A's and C's income is $48: 47$ and the ratio of B's and D's income is $9: 7$, then find the sum of all fours income.

Question 9:

If $x+2 y=12$ and $2 x y=11$, then $(x-2y)$ is equal to:

Question 10:

The ratio of marks obtained by Vinod and Basu is $6: 5$. If the combined average of their percentage is $68.75$ and their sum of the marks is 275 , find the total marks for which exam was conducted.