Question
The digits of a two-digit number ‘N’ are reversed to
form a new number ‘M’. If M < N and N – M = 27, then which of the following maybe ‘N’?Solution
ATQ; Let the original number = N = ‘10a + b’ So, the new number = M = ‘10b + a’ ATQ; N = M + 27 So, 10a + b = 10b – a + 27 Or, 9a – 9b = 27 Or, a – b = 3 So, possible pairs of ‘a’ and ‘b’ = (9, 6), (8, 5), (7, 4), (6, 3), (5, 2), (4, 1) So, possible values of ‘N’ = 96, 85, 74, 63, 52, 41 Alternate Solution From option ‘a’: N = 69 So, M = 96 Since, M > N {not possible} N = 41 So, M = 14 Also, N – M = 41 – 14 = 27
- In the question, assuming the given statements to be true, find which of the conclusion (s) among given two conclusions is /are definitely true and then gi...
Statements: H @ B, B * E, V © E, W $ V
Conclusions: I.W $ E II.H @ E �...
Statements: X ≥ W, W ≤ U, U > T, T < S
Conclusions: I) X > U
II) S > U
III) T < W
Statements:
P < S < L = Y; H < X < E < T = L > K
Conclusion:
I. K > P
II. X < Y
In which of these expression ‘X ≤ B’ is definitely true?
In the question, assuming the given statements to be true, find which of the conclusion (s) among given three conclusions is/are definitely true and t...
Statements :
A > B > C
Y > B
D > C > Z
Conclusions :
I. Z > D
II. Y > A
III. B > Z
...Statement: T > B = P `>=` C ; B `>=` J > F; O `<=` J `<=` C
Conclusions: I. J < T II. T > F
...In the question, assuming the given statements to be true, find which of the conclusion (s) among given three conclusions is /are definitely true and t...
In the question, assuming the given statements to be true, find which of the conclusion (s) among given three conclusions is /are definitely true and t...
Relevant for Exams:
