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Let the total work be LCM of (20, 30 and 10) = 60 units Number of units of work done by P alone in one day = 60/20 = 3 units Number of units of work done by Q alone in one day = 60/30 = 2 units Number of units of work done by P, Q and R together in one day = 60/10 = 6 units Number of units of work done by R alone in one day = 6 – 3 – 2 = 1 unit So, time taken by R alone to complete the work = 60/1 = 60 days So, per day wage of R = 4800/60 = Rs. 80
If x and y are the two digits of the number 115xy such that this number is divisible by 90, then the value of x + y is:
What least number should be subtracted from 5612 to make it exactly divisible by 25?
Find the third proportion of 30 and 12.
A sum of ₹53,000 is divided among A, B, and C such that A gets 20% more than B, and B gets 25% less than C. What is the amount received by C?
A = (5/2) × B and C = (1/10) × A. If (A + B + C) = 255, then determine the value of (7C – B).
A number lies between the cubes of 13 and 14. If the number is divisible by 6 as well as square of 16. Find the number.
What is the place value of 3 in 3678921410.
1. 3 ×104
2. 3 ×107
3. 3 ×105
4. 3 ×109
Tanu has 5 stickers, and Megha has 4 stickers. When Kasish joins them, all 9 stickers are redistributed equally among the three, meaning each person rec...