Question 1 :
The $(\frac{1}{4})^{th}$ of a cube unit contains about 97,700,000,000,000,000,000,000
atoms. This can be expressed in scientific notation as:
Question 3 :
State whether true or false: in $7^5$, base is 7 and exponent is 5
Question 6 :
Fill in the blank: When you are dividing two powers with the same base, _____ the second
exponent from the first to give you the exponent of the answer.
Question 11 :
While computing interest on an amount borrowed, the rate of interest is given in terms of percents.Is it TRUE or FALSE?
Question 12 :
Find profit percent or loss percent:A skirt bought for Rs 250 and sold at Rs 150.
Question 15 :
Find the whole quantity if 70% of it is 14 minutes.
Question 18 :
Classify the following expression as a monomial,a binomial or a trinomial : $a$
Question 19 :
Simplify the expression and find the value if x=3 , a=-1 , b=-2 for $2-8x+4x+4$.
Question 22 :
Simplify by combining like terms:
3a - 2b - ab - (a - b + ab) + 3ab + b - a
Question 23 :
Simplify the expressions and find the value if x is equal to 2.
x + 7 + 4(x - 5)
Question 24 :
When a = 0, b = - 1, find the value of given expression:
$a^{2}$ + ab + 2
Question 25 :
Identify terms in the expression given below:
- 4x + 5
Question 33 :
Write a negative integer and a positive integer whose difference is –3.
Question 42 :
$\frac{-7}{21} \ and \ \frac{3}{9}$ Does this pair represent the same rational number?
Question 45 :
Sachin scored twice as many runs as Rahul. Together, their runs fell two short of a double century. How many runs did Rahul score?
Question 48 :
Solve the following riddle : I am a number, Tell my identity! Take me seven times over And add a fifty! To reach a triple century You still need forty ! The number is -
Question 49 :
Check whether the value given in the bracket is a solution to the given equation or not: $7n + 5 = 19 (n = 2)$
