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1
Express as a quadratic equation.
No, it is not a quadratic equation
2
A person has Re. 1, Rs. 2 and Rs. 5 coins. If the number of Rs. 5 coins is twice the number of Rs. 2 coins and the total number of coins is 200. Find the total sum of money he has if there are 50 Rs. 2 coins.
Rs. 550
Rs. 500
Rs. 650
Rs. 400
3
can be factorised as _________________
4
One of the factors of the expression is :
x+y
x-z
x-y
none of these
5
Salaries of Ravi and Sumit are in the ratio 2 : 3. If the salary of each is increased by Rs. 4000, the new ratio becomes 40 : 57. What is Sumit's salary?
Rs. 17000
Rs. 20000
Rs. 25500
Rs. 38000
6
What is zero of the polynomial ?
0
7
Anup is four times as old as his son. If the sum of their ages is 50, find their ages.
5 and 40 years.
12 , 48 years
10 and 40 years
7 and 28 years.
8
The factors of are:
9
Express the folllowing as the product of two factors:
(3x-2)(3x-2)
(2x-3)(2x-3)
(4x-3)(4x-3)
(3x-4)(3x-4)
10
Express the following as the product of two factors:
(5t+1)(5t+1)
(5t-1)(5t+1)
(5t+1)(5t-1)
(5t-1)(5t-1)
11
One of the zeroes of the polynomials is -1. The other zero is given by _________
-2
12
A businessman knows that the price of a commodity will increase by Rs. 5 per packet. He buys some packets of the commodity for Rs. 4500. If he buys them on new price, then he will get 10 packets less. Find the actual number of packets bought by him.
50
90
100
125
13
Express the following as a quadratic equation :
14
The sum and the difference of two expressions are respectively, then their LCM would be equal to :
15
Which is the common zero for equation, and ?
-10