Question 1 :
Observe the given multiplies of 37<br>$\displaystyle 37\times 3$ = 111<br>$\displaystyle 37\times 6$ = 222<br>$\displaystyle 37\times 9$ = 333<br>$\displaystyle 37\times 12$ = 444<br>-----------------------------------------------<br>-----------------------------------------------<br>Find the product of$\displaystyle 37\times 27$ ?

Question 5 :
Product of a negative integer and a positive integeris a positive integer.

Question 9 :
State whether true or false<br/>Additive inverse of a negative integer is negative.<br/>

Question 10 :
$0$ is the __________ identify for whole numbers, whereas $1$ is the ___________ identify for whole numbers.

Question 14 :
In an improper fraction, the numerator is always .......... the denominator.

Question 19 :
In a cricket match, a bats-woman hits a boundary $6$ times out of $30$ balls she plays. Find the probability that she did not hit a boundary.<br/>

Question 20 :
A set of events that have no pair in common are called mutually exclusive.<br/>Please check the validity of the statement

Question 23 :
If S is the sample space for the event A then find the correct alternative from the following :

Question 24 :
One integer is chosen out of $1, 2, 3, ..., 100$. What is the&#160;probability that it is neither divisible by $4$ nor by $6$.

Question 25 :
Three unbiased coins are tossed. What is the probability of getting at most two tails or two heads?<br/>

Question 26 :
There are $44$ students in class $X$ of a school of whom $32$ are boys and $12$ are girls. The class teacher has to select one student as a class representative. He writes the name of each student on a separate card, the cards being identical. Then he puts cards in a bag and stir them thoroughly. He then draws one card from the bag. What is the probability that the name written on the card is the name of a girl?<br/>

Question 27 :
An urn contains one black ball and one green ball. A second urn contains one white and one green ball. One ball is drawn at random from each urn.Find the probability of getting at least one green ball.

Question 30 :
The mean age of a group of persons is 40.Another group has mean age 48. If the ratio ofnumber of persons in two groups is 5 : 3, thenmean age of all the persons in two groups is