NTPC CBT 2 QUANT QUIZ

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Question 1:

If the population of city A increases by $20 \%$ and then decreases by $24 \%$, it becomes equal to $16 \frac{1}{6} \%$ of city B's population. Find the population of city A initially, if B's population is 27,360 ?

Question 2:

Out of 60 students of a class, 29 opted for Mathematics and 32 in Biology and 8 students did not choose any of these two subjects. How many students opted for both Mathematics and Biology subjects?

Question 3:

Find the largest Five digit number which is exactly divisible by 11,13 and 17 .

Question 4:

After two equal successive raises, a sum of Rs.10,000 becomes Rs.11025 . Find the each percentage rise in the salary?

Question 5:

Find the distance between the points $(7 \mathrm{k}+$ $2,5-3 \mathrm{k})$ and $(-3+7 \mathrm{k},-7-3 \mathrm{k})$

Question 6:

The average of thirteen numbers is 47. The average of the first three numbers is 39 and that of next seven numbers is 49. The 11th number is two times the 12th number and 12th number is 3 less than the 13th number. What is the average of 11th and 13th numbers?

Question 7:

If $4 x+5 y=4 \sqrt{51}$ and $x y=3$, then $|4 x-5 y|$ is equal to:

Question 8:

If $(a+b+c)=0$ and $(a b c)=12$, then what is the value of $\left(a^{3}+b^{3}+c^{3}\right) ?$

Question 9:

What is the average of first 11 multiple of 12 ?

Question 10:

The average temperature for Monday, Tuesday, Wednesday was $30^{\circ} \mathrm{C}$ and for Tuesday, Wednesday and Thursday the average temperature was $33^{\circ} \mathrm{C}$. Accordingly, if Monday's temperature was $32^{\circ} \mathrm{C}$ then what was the temperature on Thursday?