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1
The factors of are:
2
Factorise: 5 - 2x - 6xy + 15y
(1+2y)(4-3x)
(1+3y)(5-2x)
(1+2y)(4-2x)
(1-3y(2-2x)
3
Deven said , "If you add -3 to my sister's age, you will get my age". If Deven is 12 years old, how old is his sister ?
15 years
18 years
17 years
12 years.
4
What is zero of the polynomial ?
0
5
Find the quadratic equation for the following :
None of the above
6
If one factor of a( x + y + z ) + bx + by + bz is (x + y + z),then the second factor is
ax+ay+az
bx+by+bz
bx+by-bz
a+b
7
Express as a quadratic equation.
No, it is not a quadratic equation
8
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
9
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.
10
One of the factors of the polynomial is x+1. The other factor is:
x+3
x-2
X+2
X+4
11
The sum of two numbers is 90 and the greater number exceeds thrice the smaller number by 14. The number is _______________
18, 72
19,71
20,70
15,75
12
Two numbers are such that the ratio between them is 3 : 5. If each is increased by 10, the ratio between the new numbers so formed is 5:7. Find the original numbers.
12, 20
20, 25
25, 15
15.12
13
The sum of ages of a son and his father is 35 years and the product of their ages is 150. Find their present ages
10 years and 25 years
5 years and 30 years
2 years, 33 years
12years, 23 years.
14
A two digit number such that the product of its digits is 21. When 36 is subtracted from the number the digits are interchanged. Find the digit at the tens place.
77
-7
NONE F THESE
15
Find the quadratic equation for :