Question
15 male employees or 20 female employees of a company
can complete a project in 26 days. How long will 30 male employees and 12 female employees together take to complete the project?Solution
15 males × 26 days = 20 females × 26 days ∵ 15 males = 20 females ∴ 30 males = 40 females Total work in terms of females = 20 females × 26 days = 520 units No of days taken by 30 males and 12 females: ⇒ (40 females + 12 females) = 52 females ∴ No of days taken = 520 units /52 females = 10 days
If 27x3 - 8y3 = (3x - Ay) X (Bx2 + 4y2 + Cxy), then find the value of 3 X (2A + 6B) - 2C.
Find the number of zeroes in 16 × 75 × 40 × 125.
= ?Four persons ‘A’, ‘B’, ‘C’, and ‘D’ have different amounts with them. ‘D’ has twice the amount than that of ‘A’. The amount ‘B...
- If (x 2 = 2x – 1), then find the value of [x³ + (x⁴/1)][1 - x³]
`sqrt(sqrt(20+sqrt(20+sqrt(20)) ... prop)` = ?
If x + y = 2 and 1/x + 1/y = 18/15, then find the value of (x3 + y3)?
(a+2 )² + (b-5)² + (c+3)² = 0
Find the value of √ (a + b + c) ?
...`sqrt(sqrt(6-sqrt(6-sqrt(6)) ... prop)` = ?