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According to the question, (2M+3B) x405 = (3M + 2B) ×324 810M+1215B=972M+648B 972M-810M=1215B-648B 162M = 567B M = 567B /162=7B / 2 Let 5 men and 2 boys complete the work in (x) days. (5M+5B) x = (3M + 2B) ×324 (5x7B/2+5B) x = (3x7B/2+2B) x324 (35B+10B) ×x/2=(25B×324)/2 (45B×x)/2 =25B×324)/2 X=(324×25B)/45B X=180days.
A spent 30% and 20% of his monthly salary on food and rent, respectively. Of the remaining amount, he gave 21% and 14% to his mother and brother, respec...
Rahul was employed by a company in 2021 with a starting net salary of Rs. 25,000. By 2024, his gross salary had risen to Rs. 63,000. Assuming his net sa...
When income of a man increases by Rs. 6000 then tax rate reduces from 18% to 15%. While in both the situation 25% income is tax free. Find his initial i...
The price of a laptop undergoes two consecutive changes over two months. In the first month, its price decreases by 10%, followed by an increase of 20% ...
If 40% of 'P' is 60 less than 30% of 'Q', then find 250% of 'Q', given that (P + Q) = 900.
Determine the percentage of people (males and females combined) who tested negative for corona when 1200 males and 800 females were tested, with 45% of ...
In a quiz, Leena scored 45 marks less than Neha. Neha scored 32 more marks than Omar. Jai scored 95 marks which is 30 marks more than Leena. Ritu’s sc...
One fourth of one third of two fifth of a number is 15. What will be 40% of that number
...A gave 40% of amount to B. B gave 30% of amount received from A to C. If amount received by C from B is Rs.144, then find the amount received by B from A.
A jacket originally priced at ₹3,000 is on sale for 20% off. If a 5% sales tax is applied after the discount, what is the final price of the jacket?
