QUANT QUIZ 1

Question 1:

the mean of cubes of the first n natural number is

$(n+1)(2 n+1) \div 6$

$\mathrm{n}^{2}(\mathrm{n}+1)^{2} \div 4$

$n(n+1)^{2} \div 4$

$(n+1) \div 2$

Question 2:

A sum was invested for 7 years at a certain annual rate of simple interest. If the interest rate is increased by $8 \%$, then the interest increases by RS. 2240. What is the sum (in RS. ) invested?

3500

4000

5000

6000

Question 3:

The median of the data 1 , 2/3 , 5/4 , 9/4 , 3/4 , 11/3 , 2 , 6/5 is

43/20

49/20

49/40

49/80

Question 4:

The average weight of some students in a class was $60.5 \mathrm{~kg}$. When 8 students, whose average weight was $65 \mathrm{~kg}$, joined the class, then the average weight of all the students increased by $0.9 \mathrm{~kg}$. The number of students in the class, initially was :

32

40

37

42

Question 5:

The cost prices of article A and B are Rs. 1200 and Rs. 1600 respectively. The selling price of article A is Rs. 1380 and the total profit on selling both the articles is $25 \%$. What is the profit percentage on selling price of article $B$ ?

$27.5 \%$

$32.5 \%$

$29.5 \%$

$35.5 \%$

Question 6:

An article is sold for Rs 1725 at $15 \%$ Profit . If it is sold at $15 \%$ loss, then what will be the selling price ?

Rs.1025

Rs. 1275

Rs. 1325

Rs. 1475

Question 7:

What is the net discount (in %) for successive discounts $50 \%$ and $40 \%$ ?

$60 \%$

$50 \%$

$70 \%$

$90 \%$

Question 8:

The speed of car is $36 \mathrm{~km} / \mathrm{h}$. How much time (in Seconds) will a bus travelling at five times of the speed of the car take to cover a distance of $900 \mathrm{~m}$ ?

18 Second

10 Second

7 Second

5 Second

Question 9:

A sold an article to $B$ at a profit of $20 \%$. B sold the same article to $\mathrm{C}$ at a loss of $25 \%$. $\mathrm{C}$ sold the same article to $\mathrm{D}$ at a profit of $50 \%$. If $\mathrm{A}$ bought the article at Rs. 100, then at what price did D buy that article?

125

130

140

135

Question 10:

What is the least number of four digits which is exactly divisible by $2,4,6$ and $8 ?$

1008

1004

1016

1024