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Chapter 1: Number System, , , , MULTIPLE-CHOICE QUESTIONS, , , , Choose the correct answer from the given four options in the following questions:, , 1, , 10., , Every rational number is, (a) a natural number (b) an integer, (c) a real number (d) a whole number [CBSE SP 2011], . Decimal representation of a rational number cannot be, (a) terminating (b) non-terminating, (c) non-terminating repeating (d) non-terminating non-repeating, [CBSE SP 2010], . mis an irrational number because its decimal expansion is, (a) terminating (b) non-terminating, (c) non-terminating repeating (d) non-terminating non-repeating, . Every point on a number line represents, (a) a unique real number (b) anatural number, (c) a rational number (d) an irrational number, . Which of the following is a rational number?, -2 -1 13 v2, a) = b) = c) = d) -= [CBSESP 2011], @ = Oe OF @ %, . Which of the following is irrational?, (a) 0.15 (b) 0.1516 (c) 0.1516 (d) 0.50150015, . A rational number equivalent to * is, 6 6 17 3, (a) 7 (b) 34 (c) 3 (a) 34, . A rational number between 2 and 3 is, (a) 2.010010001 b) V6, (oc) 3 (a) 4-2 [CBSE SP 2013], . Four rational numbers between 3 and 4 are, 34,6, (a) 3.1, 3.2, 3.8, 3.9 b) 5/5’ ‘l, 5, 13 14 16 17, (c) 3.1, 3.2, 4.1, 4.2 d) 3’5'5'S|, , The smallest irrational number to be added to 3 + V2 to get a rational number, is, , (a) -V2 (b) 3- V2 (c) V2 -3 d) J3+2
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11, , 12., , 13., , 14,, , 15., , 16., , 17., , 18., , 19., , 20., , 21., , Mathematics - Class 9, , The value of 0.3 in the form a where p and q are integers and q #0 is, @) ia (b) x () + (d) im (CBSESP2011], 0.32 expressed in the form ; , where p and q are integers and q # 0, is, On w 2 © 2 @ =, 0.437 expressed in the form i , where p and q are integers and q # 0, is, @ © = o 3, . Simplest rationalisation factor of ¥Y40 is, (a) 95 (b) ¥ (c) V40 (a) V5, 2V5 +5 is equal to, (a) 2/10 (b) 10 (©) 3V5 (d) 310, The perimeter of the given figure is, (a) 60V5, (b) 125 a5 55, (0) 275, (a) 32V5 4N5, , On simplification of (3v5-}\2 +617] + (3¥5 +3V2- Ji), we get, , (a) ¥5+V2+5V11 (0) 8 opie, , (c) V5 +V2 +611 (d) J5+2V2+5V11, , The product of 7 and V5 is, , (a) 335 (b) 935 (c) 96125 (d) $1225, The product of evi8 and 3vi8 is, , (@) 1 (b) 4 (©) 3 @ V2, V5 x V7 x V15 x V21 in simplified form is, , (a) J105 (b) J210 (c) 105 (d) 210, , (3+ v3) B- v3) on simplification becomes equal to
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Mathematics - Class 9, , 22., , 23., , 24,, , 25., , 26., , 27., , 28., , 29., , 30., , 31., , , , (a) 18 (b) 23 (c) 6, The value of (3+ v5)? (3- V5)" is, (a) 15 (b) 16 c4, 3/250 + 310 in simplified form is equal to, (a) ¥25 (0) 5 (©) V5, EOE is equal to, +, 10 30 10, aos Bb) ee: Ea, (a) 35 (b) 5 (o) 5, OE is equal to, 1 2, =e b) = 2v3, @ O © 2v3, 0 70, The value of 2 = is, (a) 2 (0 ©?, 30 9.29, On simplifying 3a 90 ,we get, (a) 1 (b) 2 (c) 2, 3, The value of (37) is, 1, @ 5 (b) 9 (c) -3, 3, (23) * in its simplified form is equal to, 25 64 125, (a) 6h (b) 15 (c) 64., , i ai, (32)5 x (125) 3 in its simplified form is equal to, , 16 4 2, (a) 5 (b) 5 (c) 5, 5int2 ccs 6.571, 13.5" -2.5""! equals, , 5 5 3, (a) 3 (b) - 3 (c) 5, , (@), , (@), , @), , (@), , @), , 4), , (@), , @), , 9, , 14, , 2500, , 125, , [CBSE SP 2011], , 6V3, , [CBSE SP 2011], , N09 ale, , wle
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32, , 33., , 34., , 35., , 36., , 37., , 38., , 39., , 40., , . If V3 = 1.732, then the value of, , Mathematics - Class 9, , 1/2, The value of [s*° + 27] is, , @ 4 (2 © F @ 4, , If x is a positive real number, then 1 x2 is, , (a) x1/24 (b) xi/6 (c) xi/12 (a) x1/20, If x = 2 and y = 3, then the value of x¥ + y* is, , (a) 15 (b) 17 c) 19 (a) 21, Ifx= 9-45, then xt is equal to, , (a) 8V5 (b) - 8V5 (c) 18 (d) 81, , Which of the following is equal to a?, , 13.5 1 4 3 7, (a) a? 7 0 Yat ©) (vob p (@) a7 xa, 17, , Decimal representation of — z is, , (a) — 2.125 (b) - 2.225 (c) 2.125 d) -1.175, , If 3 = 0.428571, then 3 is equal to, , (a) 0.704125 (b) 0.714285 (c) 0.77132 (a) 0.71438, , = approximately is, 3 PP, , (a) 0.866 b) 0.433 (c) 0.288 (d) 0.577, If J2 = 1.414, then the value of V3 + V6 up to three places of decimal is, (a) 0.235 b) 0.707 c) 1.414 (d) 0.4
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13., 19:, 25., 31., 37., , (c), (), (4), (4), (c), (), (a), , 14., 20., 26., 32., 38., , (4), (c), (4), (c), (4), 2), 0), , , , 3. (d), 9. (a), 15. (c), 21. (c), 27. (d), 33. (b), 39. (d), , CHAPTER 1, , 4., 10., 16., 22., 28., 34., 40., , , , (a), (a), (0), (), (4), (b), (b), , 5. (a), 11.6), 17. (a), 23. (a), 29. (c), 35:.:(e), , 6, 12, , 18., 24., 30., 36., , » (d), - (b), (c), (c), (c), (c)
