Find the missing term(s)-
3, 12, 27, 48, 75, 108, ?
(A) 192 (B) 183 (C) 162 (D) 147
1 Answers
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In the following number series only one number is wrong. Find out the wrong number. 48 72 108 162 243 366
(e) The series is × 1.5 The wrong number is 366 It should be 243 × 1.5 = 364.5
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Find the R.G. (rationalizing factor) of the following : √162
√162 Simplest from of √162 is 9 √2 . R.F. of √2 is √2. ∴ R.F. of √162 is √2.
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Find the R.G. (rationalizing factor) of the following: 4√162
Simplest form of 4√162 is 3 4√2 Now R.F. of 4√2 is 4 √23 R.F. of (4 √162 ) is 4 √23
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Find the missing term : B, D, G, I, ?, N
Gap of letters between the two consecutive terms is increased by +1. So, the missing would be L.
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Find the missing term : A, Y, D, W, G, U, J, ?
The given sequence consists of two series: I A, D, G, J in which each letter is moved three steps forward to obtain the next term II Y, W, U, ? in...
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Find the missing term : HEJ, JGL, LIN, NKP, ?
First letter of each group differs by 2 letters. Second letter of each group differs by 2 letters. Third letter of each group differs by 2 letters. All the letters...
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Find the missing term : YAL, TCP, OET, JGX, ?
First letter of each group differs by 5 letters in the backward direction. Second letter of each group differs by 2 letters in the forward direction. Third letter of each...
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Find the missing term(s)- 0, 6, 20, 42, 72, ? (A) 106 (B) 112 (C) 110 (D) 108
The correct option is (C) 110.
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Find the missing term(s)- 1, 11, ?, 11, 11, 16, 11 (A) 1 (B) 11 (C) 6 (D) 192
The correct option is (C) 6.
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Using a^2 − b^2 = (a + b) (a − b), find (i)153^2 − 147^2 (ii) 12.1^2 − 7.9^2
(i) 1532 − 1472 = (153 + 147) (153 − 147) = (300) (6) = 1800 (iv) 12.12 − 7.92 = (12.1 + 7.9) (12.1 − 7.9) = (20.0) (4.2) = 84
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