1) If a pair of linear equations is consistent, then the lines will be : a) Parallel b) Always coincident c) Intersecting or coincident d) Always intersecting 2) The pair of equations y=0 and y=-7 has a) No solution b) One solutions c) Two solutions d) Infinitely many solutions 3) The solution of equation x-y=2 and x+y=4 is : a) 3 and 5 b) 5 and 3 c) 3 and 1 d) -1 and -3 4) The father's age is six times his son's age. Four year hence, the age of the father will be four times his son's age. The present ages, in years, of the son and the father are a) 4 and 24 b) 5 and 30 c) 6and 36 d) 3and 24 5) Rakshita has only Rs.1 and Rs.2 coins with her. If the total number of coins that she has is 50 and the amount of money with her is Rs.75, then the number of Rs.1 and Rs.2 coins is a) 35 and 15 b) 35 and 20 c) 15 and 35 d) 25 and 25 6) In an examination, 1 mark is awarded for each correct answer while 1/2 mark is deducted for every wrong answer. Jayanti answered 120 questions and got 90 marks. How many questions did she answered correctly ? a) 100 b) 95 c) 90 d) 60 7) A shopkeeper gives books on rent for reading. She takes a fixed charges for the first two days, and an additional charge for each day thereafter. Reema paid Rs.22 for a book kept for six days, while Ruchika paid Rs.16 for the book kept for four days, then the charge for each extra day is : a) Rs.5 b) Rs.4 c) Rs.3 d) Rs.2 8) The pair of equations 3x-5y=7 and -6x+10y=7 have a) A unique solution b) Infinitely many solutions c) No solutions d) Two solutions 9) For what value of k, do the equation 2x-3y+10=0 and 3x+ky +15=0 represent coincident lines a) -9/2 b) -11 c) 9/2 d) -7 10) If the lines given by 2x+ky=1 and 3x-5y=7 are parallel, then the value of k is a) -10/3 b) 10/3 c) -13 d) -7

maths quize 1

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Угради

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