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Let number of girls in School ‘A’ is ‘x’. Number of boys in School ‘C’ = 1.20 × x = 1.2x Total number of students in School ‘C’ = 1.2x/0.6x = 2x Number of boys in School ‘B’ = 0.8x + 40 Number of girls in School ‘B’ = 0.8x + 40 – 120 = 0.8x – 80 Total number of students in School ‘B’ = 0.8x + 40 + 0.8x – 80 = 1.6x – 40 So, 1.6x – 40 + 2x = 840/0.6 = 1400 Or, 3.6x = 1440 Or, x = 400 Number of girls in School ‘A’ = 400 Total number of students in School ‘A’ = 840 + 400 = 1240 Number of boys in School ‘C’ = 1.2x = 1.2 × 400 = 480 Total number of students in School ‘C’ = 2x = 2 × 400 = 800 Number of girls in School ‘C’ = 0.8 × 400 = 320 Let number of boys in School ‘B’ = 0.8 × 400 + 40 = 360 Number of girls in School ‘B’ = 0.8 × 400 – 80 = 240 Total number of students in School ‘B’ = 360 + 240 = 600 Desired Average = (400 + 240 + 320)/3 = 320
Statements : X = E > U, T ≥ V > W, E > W = U
Conclusions : I. T >U II. X ≥ V
If ' S # F % G, R $ N $ G, H % N, P $ S % T' is true, then which among the following statement/statements is/are correct?
Statements:
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If F & G $ I @ H % J is true then how is F related to J?
If R is the brother of X’s father’s mother in law, then which of the following expression is true?
Which of the following expression will make I is brother of G definitely correct?
'A @ B' means 'A is married to B'. 'A & B' means 'A is the sister of B'. 'A % B' means 'A is the daughter of B'. 'A $ B' means 'A is the father of B'. I...
In expression ‘D & E $ F # G @ H & I $ J’ how is J related to F?
If A ÷ B means that A is the brother of B, A × B means that A is the sister of B, A – B means that A is the father of B then which of the following ...
Answer the following question based on the direction given below.
If 'A$B' means 'A is son of B'
'A%B' means 'A is daughter of B'
'...
'A # B' means 'A is the father of B'. 'A @ B' means 'A is the son of B'. 'A & B' means 'A is the wife of B'. 'A % B' means 'A is the sister of B'. If B ...
