Question Text
Question 1 :
If $27\times3 =243$ and $5\times 4=80$<br/>Then the value of $3\times 7$ is ___.
Question 5 :
State the following statement as True or False.<br/>Multiplication and Division of two negative numbers is always a negative number.<br/>
Question 6 :
The value of $555 \displaystyle \times   193 - 555 \displaystyle \times  93$ is
Question 14 :
Let m be a positive integer. Then all pairs of integers (x, y) such that $\displaystyle x^{2}(x^{2}+y^{2})= y^{m+1}$ is x= $\displaystyle t^{5}+t^{3},y=t^{4}+t^{2}$.<br/>If true then enter $1$ and if false then enter $0$<br/>
Question 15 :
Sign of the product of 231 negative integer and 9 positive integer is
Question 16 :
An integer with a positive signs $(+)$ is always greater than.
Question 19 :
Check whether the following statement is true or false.-10 is greater than -7.
Question 21 :
Without actual multiplication, then value of$687 \times 687 - 313 \times 313$
Question 22 :
$0$ is the __________ identify for whole numbers, whereas $1$ is the ___________ identify for whole numbers.
Question 23 :
On a hill, the temperature at $8$ p.m. was $2^o$C but at the mid-night of the same day, it fell down to $-3^o$C. By how many degrees did the temperature fall?
Question 24 :
The difference between the greatest and the smallest 4-digit numbers that can be formed by the digits $5,3,0\ and\ 8$ such that 5 is always at the ones place and no digits are repeated is
Question 25 :
If $m$ and $n$ are the smallest positive integers satisfying the relation $\left ( 2C is \dfrac {\pi}{6}\right)^m = \left ( 4C is \dfrac {\pi}{4}\right)^n$, then $(m+n)$ has the value equal to