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Let the total work be the LCM of [18, 30] = 90 units. So, the efficiency of 'X' = (90/18) = 5 units/day. Efficiency of 'Y' = (90/30) = 3 units/day. Work done on the first day by 'X' = 5 units. Work done on the second day by 'Y' = 3 units. So, the work done in two days = 5 + 3 = 8 units. Amount of work done in 22 days = 8 × 11 = 88 units. The remaining 2 units will be completed by 'X' on the 23rd day.
The only expenses of Arun are on grocery, rent and fun expenses. Arun spent Rs. 5,000 on fun, amount spent by him on rent is Rs. 9,000 more than that on...
57L of milk water is poured into a tub and the tub was found to be 5% empty. To completely fill the tub, what mount of additional milk must be poured?
A salesman is allowed 12% commission on the total sales by him and a bonus of 1% on the sales over Rs. 10000. If the total earnings of a salesman is Rs....
Meenu spent 10% of the salary on entertainment and 20% on makeup. She spent 20% of the remaining on the food and 50% of the remaining invested in mutual...
Suyash have total amount of Rs.2500 out of which, he spent 25% on food, 40% of the rest on travelling. Out of remaining amount he spends Rs.540 on misce...
A spent 30% and 20% of his monthly salary on food and rent, respectively. Of the remaining amount, he gave 20% and 30% to his mother and brother, respec...
Monthly savings of ‘A’ is Rs. 700 more than his monthly expenditure and his total monthly income is Rs. 6500. If his monthly income is increased by ...
A shopkeeper marks up the price of an article by 30% and then gives a 20% discount on the marked price. If the final selling price is ₹2,184, determin...
In an examination the percentage of students qualified with respect to the number of students appeared from school A is 75%. The number of students appe...
The total number of students in a college is 13,200. If the number of male students increases by 30% and the number of female students increases by 20% ...
