NTPC CBT-2 QUANT QUIZ

Attempt now to get your rank among 21 students!

Question 1:

If $a^{2}+b^{2}=10 b-34-6 a$, find $(b-a)$ :

Question 2:

Product of two co-prime numbers is 117 then their $\mathrm{L} . \mathrm{C}. \mathrm{M}$. is:

Question 3:

The average age of a class of 65 boys was 14 years, the average age of 20 of them was 14 years, and that of another 15 was 12 years. Find the average age of the remaining boys.

Question 4:

A number ' $N$ ' when divided by $D$ gives remainder 14 . When $3 N$ is divided by $D$ gives remainder $8 .$ What will be the remainder when $4 \mathrm{~N}$ is divided by D?

Question 5:

The population of town is $24,000 .$ In $\mathrm{1}^{\text {st }}$ year population of town reduced by $10 \%$, in $2^{\text {nd }}$ year population decreased by $20 \%$ and in $3^{\text {rd }}$ year it reduced by $25 \% .$ Find population of town after 3 year?

Question 6:

What is Abhishek's present age, if after 20 years his age will be 11 times of his age 10 years back?

Question 7:

Aakash and Vikash together can complete a piece of work in 20 days and Vikash alone can complete half of the work in 24 days. In how many days can Aakash alone complete the $\frac{7}{8}$ part of the same work?

Question 8:

A sum of Rs. 12,300 amounts to Rs. 17,835 in 3 years at a certain rate per cent per annum simple interest. The same sum will amount to what in 1 year at the same rate, if the interest is compounded half yearly (nearest to Rs. )?

Question 9:

A sold a watch to $\mathrm{B}$ at a profit of $30 \%$.B sold it to $\mathrm{C}$ at $40 \%$ profit. $\mathrm{C}$ sold it to $\mathrm{D}$ at $10 \%$ loss. If B's profit is Rs. 110 more than that of A, then D bought it for:

Question 10:

A : B $=5: 9$ and B : C = $4: 5$, then (A+B) : (B $+$ C) : $(\mathrm{C}+\mathrm{A})$ is:

serach-testwale
x