1. Find the HCF of 56 and 814
A) 14
B) 28
C) 42
D) 70
2. Which of the following is not irrational-
A) 2 (2- √3)
B) (√2+√3)²
C) (√2-√3)(√2+√3)
D) 27√7
3. The product of a rational and an errational number is-
A) Rational number
B) Irrational number
C) Natural number
D) Integers
4. If b= 3, then any integers can be expressed as-
A) 3q, 3q+1,3q+2
B) 3q
C) 3q+1
D) None of the above
5. The set A ={ 0,1,2,3,4.......} represents of the set of-
A) Whole numbers
B) Integers
C) Natural numbers
D) Even numbers
6.If 4x⁴-3x³-3x²+x-7 is divided by 1-2x then remainder will be-
A) 57/8
B) -59/8
C) 55/8
D) -55/8
7. The polynomials ax³+3x²-3 and 2x³-5x+a when divided by (x-4) leaves remainders R1 and R2 respectively then value of 'a' if 2R1-R2=0
A) -18/127
B) 18/127
C) 17/127
D) -17/127
8. The quadratic polynomial is exactly divisible by (x+1) & (x+2) and leaves the remainder 4 after division by (x+3) then that polynomial is
A) x²+6x+4
B) 2x²+6x+4
C) 2x²+6x-4
D) x²+6x-4
9. The value of a & b so that the polynomial x³-ax²-13x+b is divisible by (x-1) and (x+3) are
A) a=15, b=3
B) a=3, b=15
C) a= -3, b=15
D) a= -3, b= -15
10. Graph of quadratic equation is always
A) straight line
B) circle
C) parabola
D) hyperbola
11. If three points are tossed simultaneously then the probability of getting at least two heads is
A) 1/4
B) 3/8
C) 1/2
D) 1/4
12.A bag contains 3 green marbles , 4 blue marbles and two orange marbles if marbles is picked at random then the probability that it is not an orange marble is
A) 1/4
B) 1/3
C) 4/9
D) 7/9
13. A number selected from number 1 to 27 the probability that it is a prime number is-
A) 2/3
B) 1/6
C) 1/3
D) 2/9
14. If (P(E)=0.05 then P (not E) =
A) -0.05
B) 0.5
C) 0.9
D) 0.95
15. A bulb is taken out at random from a box of 600 electric bulbs that contains 12 defective bulbs then the probability of a non defective bulb is
A) 0.02
B) 0.98
C) 0.50
D) None
16. The Graph of 2x+3y-6=0 , 4x-3y-6=0 , x=2 and y=2/3 intersects in
A) Four points
B) One point
C) Two points
D) Infinity number of points
17. The sum of two numbers is is 20 and their product is 40 ; the sum of their reciprocal is
A) 1/2
B) 2
C) 4
D) 1/10
18. If Rs.50 is distributed among 150 children given 50 paise to each boy and 25 paise to each girl when the number of boys is
A) 25
B) 40
C) 36
D) 50
19.In covering a distance of 30 km Amit takes 2 hrs. more than Suresh . If Amit doubles is speed he would take 1 hour are less than Suresh; then Amit's speed is-
A) 5 km / hour
B) 7.5 km / hour
C) 6 km/hour
D) 6.2 km /hour
20. If in a fraction one less from 2 times of numerator and 1 add in denominator then new fraction will be e
A) 2{x-1/ y+1}
B) 2(x+1)/y+1
C) (x/y)
D) 2x-1/y+1
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Best of Luck
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informative
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