$A, B, C, D$ are four consecutive odd integers and their average is $42$. What is the product of $B$ and $D$?

(A) $1860$

(B) $1890$

(C) $1845$

(D) $1677$

Which one of the following numbers is exactly divisible by $99$?

(A) $42767$

(B) $31781$

(C) $21187$

(D) $53658$

The following chart shows the percentage of Engineers, Labours and Managers working in a Multinational Company. If the total number of engineers is $75$, then the number of labours is:

(A) $100$

(B) $150$

(C) $175$

(D) None of these

One person completes $\frac{2}{15}$th of the journey by railways and $\frac{9}{20}$th part by a car, the rest of the journey of $10$km, he travels on foot. How many km does his entire journey comprise?

(A) $36$

(B) $40$

(C) $30$

(D) $24$

In a division sum, the divisor is ten times the quotient and $5$ times the remainder. If the remainder is $46$, then the dividend is:

(A) $4236$

(B) $4306$

(C) $4336$

(D) $5336$

If the price of sugar falls by $10\%$, by how much percentage must the household increase its sugar consumption so as not to decrease its expenditure on sugar?

(A) $10\%$

(B) $9\%$

(C) $9\frac{1}{11}$%

(D) $11\frac{1}{9}$%

If A’s salary is $25\%$ less than that of B, then how many percent is B’s salary more than A?

(A) $25\%$

(B) $30\%$

(C) $33\frac{1}{3}$%

(D) $36\%$

When $20\%$ of a number is added to another number, the other number increases by $50\%$. What is the ratio between the two numbers?

(A) $3:2$

(B) $2:3$

(C) $5:2$

(D) Cannot be determined.

If $32$ students in a class are females and the ratio of female to male students is $16:9$, then what percentage of the class is females?

(A) $32\%$

(B) $48\%$

(C) $64\%$

(D) $80\%$