Start learning 50% faster. Sign in now
ATQ,
Let the age of 'P', 5 years hence and 'Q', 3 years ago be '15x' years and '17x' years respectively. Present age of 'P' = 15x - 5 years Present age of 'Q' = 17x + 3 years According to question: 15x - 5 + 17x + 3 = 40 × 2 + 7 + 7 Or, 32x - 2 = 80 + 14 = 94 Or, 32x = 96 Or, x = 3 Present age of 'P' = 15x - 5 = 15 × 3 - 5 = 40 years Present age of 'Q' = 17x + 3 = 17 × 3 + 3 = 54 years Present age of 'R' = 54 + 5 = 59 years Required ratio = (40 - 3):(59 + 3) = 37:62 = 37:62
What will come in place of the question mark (?) in the following series?
112, 123, 144, 169, 190, ?
300, 150, 150, ?, 450, 1125
45, ?, 84, 114, 151, 195
32, 64, 8, ?, 2, 4
252, 235, 220, 207, 196, ?
{(12√5 + 6√5 )} ×{(10√5 - 5√5 )} - 8² + 6² = ?
64, 32, 48, 120, 420, ?
101, 103, 107, 109, 113, ?
200 ? 96 38.4 7.68 0
18, 30, 46, 66, 90, ?