Total work = LCM of 15, 45 and 90 = 90 units Unit per day of A = 90/15 = 6 Unit per day of B = 90/45 = 2 Unit per day of C = 90/90 = 1 Units of work done by A in 3 days = 6 × 3 = 18 units Units of work done by B in 8 days = 8 × 2 = 16 units Remaining work = 90 – (18 + 16) = 56 units So, C has worked for 56/1 = 56 days
In a question of division, if dividend is 21 times of remainder and quotient is 1/2 of divisor, if remainder is least multiple of 2 and 5 both then find...
15 15 60 540 8650
...Albela Sells Chocolates in the packs of 6 chocolates, 12 chocolates, 18 chocolates and 24 chocolates etc, but the rate is necessarily uniform. One day ...
Christina spends half of her salary and saves the other half. If she spends ₹ 40,000 monthly, what is her annual savings?
If y = ∛ 6 – 4, then what is the value of y³ + 12y² + 48y + 100?
The sum of (p/q)+(q/r)+(r/s)+(s/t) = (239/60). The value of ‘q’ is one less than the value of ‘s’. The average of ‘p’ and ‘s’ is 4. The ...
"PQR is a three-digit number such that it can be expressed as the sum of its three two-digit components, PQ, QR, and RP, where all of them are natural n...
3 chairs and 2 tables cost Rs. 700 and 5 chairs and 3 tables cost Rs. 1100. What is the cost of 1 chair and 2 tables?
5 positive numbers are written on a piece of paper. Sum of first 3 numbers is 30 and ratio of the 4th and the 5th number is 2:3. If difference between t...