NTPC CBT-2 QUANT QUIZ

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Question 1:

In an organization number of males and females are 145 and 116 respectively. Average Age of females and males are $28.5$ years and $31.2$ years respectively. The average age (in years) of all males and females is:

Question 2:

If length rectangle is increased by $40 \%$ and its breadth is decreased by $30 \%$. Find the $\%$ age change in area?

Question 3:

Uma is organizing a terrace party. She determines the total estimated expenditure as per the table given in the following five items.

If she spends $Rs. 850$ on item 3 , then what is her total expenditure on item 2 and item 5 ?

Question 4:

The average of a non-zero number, its square and its cube is 19 times the number. The number is?

Question 5:

What sum of money must be given at simple interest for 2 years at $20 \%$ p.a. if time period is calculated half yearly in order to earn Rs. 2,000 interest?

Question 6:

What is the value of $x$, if $25 \%$ of $480+30 \%$ of $500+x \%$ of $90=35 \%$ of 900?

Question 7:

Raju got Rs. 12,000 as his share out of the total profit of Rs. 15,000 which he and Prakash earned at the end of one year. If Raju invested Rs. 40,000 for 6 months, whereas Prakash invested his amount for the whole year, the amount invested by Prakash was :

Question 8:

When a number $\mathrm{M}$ is divided by 7, the remainder is $5 .$ What is the remainder when cube of $\mathrm{M}$ is divided by $7 ?$

Question 9:

Rajan travels by bus from city A to city B at an average speed of $42.5 \mathrm{~km} / \mathrm{h}$. Nikhil travels by taxi from city A to city B at an average speed of $67.5 \mathrm{~km} / \mathrm{h}$ and takes $\frac{1}{2}$ hours lesser time than taken by Rajan. What is the distance between two cities?

Question 10:

If $a^{2}-b^{2}=55$ and $a+b=11$ then find the value of $\frac{a^{3}+b^{3}}{a-b}$ ?

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