UP SI MATHS QUIZ-43

Question 1:

Tarun earns a profit of $12.5 \%$ on selling an article at a certain price. If he sells the articles for Rs. $31.25$ more, he will gain $18.75 \%$. What is the original cost price of $19$ such articles?

Rs.9500

Rs. 7500

Rs. 8500

Rs. 5500

Question 2:

In a class, $53.33 \%$ of the number of students are girls and the rest are boys. If $12.5 \%$ of the number of girls and $14.28 \%$ of the number of boys are present, then what percentage of the total number of students in the class is absent?

$66.66$

$33.33$

$86.66$

$66.86$

Question 3:

A train $250 \mathrm{~m}$ long takes 30 second to cross a man running at a speed of $6 \mathrm{kmph}$ in the direction opposite to the train. What is the speed of the train ?

$20 \mathrm{kmph}$

$23 \mathrm{kmph}$

$24 \mathrm{kmph}$

$25 \mathrm{kmph}$

Question 4:

Find the L.C.M. of $\frac{1}{3}, \frac{5}{6}, \frac{2}{9}$ and $\frac{4}{27}$

$\frac{1}{54}$

$\frac{10}{27}$

$\frac{20}{3}$

$\frac{40}{27}$

Question 5:

Salaries of A, B and C were in the ratio of $3: 5: 7$ respectively. If their salaries were increased by $50 \%, 60 \%$ and $50 \%$ respectively, what will be the new respective ratio of their salaries.

$3: 6: 7$

$4: 5: 7$

$4: 5: 8$

$9: 16: 21$

Question 6:

The average weight of $39$ students of a class is $40 \mathrm{~kg}$. If the weight of class teacher is added the average increases by $500 \mathrm{gm}$. Find the weight of the class teacher.

$55 \mathrm{~kg} $

$60 \mathrm{~kg} $

$62 \mathrm{~kg} $

$65 \mathrm{~kg} $

Question 7:

One inlet pipe A is 5 times faster than second inlet pipe B and takes 72 minutes less than the pipe B to fill the cistern. When will the cistern will be full if both filling pipes are opened together?

$12 \mathrm{~min}$

$8 \mathrm{~min}$

$10 \mathrm{~min}$

$15 \mathrm{~min}$

Question 8:

A bucket contains a mixture of two liquids $\mathrm{A}$ and $\mathrm{B}$ in the proportion $5: 3$. If 16 litres of the mixture is replaced by 16 litres of liquid $\mathrm{B}$, then the ratio of the two liquids becomes $3 : 5$. How much of the liquid $\mathrm{B}$ was there in the bucket?

25 litres

15 litres

18 litres

24 litres

Question 9:

Find the unit palce digit:

$(2137)^{753}$

1

3

7

9

Question 10:

Find the sum of all positive multiples of 3 less than 80 ?

1056

1053

1050

1133