1) If a+b=7and ab=12 then a-b=? a) 1 b) 2 c) 3 d) 4 2) If 10th term of an A.P. =66 and 19th term of an A.P. is 120 then the first term of A.P. is a) 14 b) 16 c) 12 d) 22 3) There is a quadratic polynomial whose coefficient of x^2=1 which when divided by 1 and 2, leaves remainders 1 and 2 respectively. Find the remainder when it is divided by 3? a) 2 b) 4 c) 5 d) 7 4) LCM of two numbers is 1000 and HCF of two numbers is 11. If one number =x, find the other number? a) x/2 b) x/3 c) No solution d) 11x/75 5) Sin 30=1/2, sin 90= 1 then find sin 12? a) 1/21 b) 12/145 c) Not possible with given data d) 111/234 6) 100 coins are tossed simultaneously. What is the probability of getting at least 1 head? a) 2^100 b) 2^99 c) (2^100)-1 d) (2^100)+1 7) What is the minimum value of the sum of a +ve number and its reciprocal a) 2 b) 3 c) 1 d) Can't tell 8) There is an ungrouped data:12,13,144,15,12,13,x,14,4,y What shall be the maximum value of mode a) 14 b) 12 c) 13 d) 144 9) There is a code with 4 blank spaces. Only numbers can be filled in the blanks. What is the probability for the thief to crack the code? a) 1/9999 b) 1/10000 c) 1/9998 d) Cannot say 10) There are 5 people in a race. Ramesh is one of them. Find the probability that he will not come the first? a) 1/5 b) 1/4 c) 4/5 d) 1

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