Question
A can complete a piece of work in 24 days. He worked for
21 days and then B finished the remaining work in 6 days. In how many days can A and B finish the work together?Solution
A can complete a piece of work in 24 days. A does the work in 24 days =1 A does the work in 1 day =1/24 A does the work in 21 days = (1/24) ×21=7/8 Remaining work =1-7/8 =1/8 Remaining work finished by B in 6 days =6×8=48days. A and B together finish the work – 2448 96 42 =96/4+2 =96/6 =16 days.
'A $ B' means 'A is the mother of B'. 'A % B' means 'A is the wife of B'. 'A @ B' means 'A is the sister of B'. 'A # B' means 'A is the son of B'. If I ...
In expression ‘G $ H & I @ J # K % L $ M & N’ who is the only daughter of I?
P + Q means ‘P is the brother of Q’, P - Q means ‘P is the daughter of Q’, P ÷ Q means ‘P is the husband of Q’, P × Q means ‘P is the so...
How is H related to M?
If J & I @ H + G is true then, how is G related to J?
If F & G $ I @ H % J is true then how is F related to J?
'A # B' means 'A is the husband of B'. 'A @ B' means 'A is the mother of B'. 'A & B' means 'A is the sister of B'. 'A $ B' means 'A is the child of B'. ...
Statements : X = E > U, T ≥ V > W, E > W = U
Conclusions : I. T >U II. X ≥ V
Which of the following can be the correct conclusion drawn from the expression?
‘R + S % T $ U @ V’?
A # B means ‘A is the brother of B’
A @ B means ‘A is the daughter of B’
A & B means ‘A is the husband of B’
A % B ...