Question
Monthly savings of βQβ is 25% more than that of
βPβ and is 48% less than monthly income of βPβ. Monthly expenditure of βQβ is Rs. 4260 and ratio of monthly income of βPβ and βQβ is 15:22, respectively. Find monthly expenditure of βPβ.Solution
Let monthly income of βPβ and βQβ be Rs. β15xβ and Rs. β22xβ, respectively Monthly savings of βQβ = 52% Γ 15x = Rs. 7.8x Monthly savings of βPβ = {7.8/1.25} = Rs. 6.24x Monthly expenditure of βPβ = 15x β 6.24x = Rs. 8.76x Monthly expenditure of βQβ = 22x β 7.8x = Rs. 14.2x Or, 14.2x = 4260 Or, x = 4260/14.2 Or, x = 300 Monthly expenditure of βPβ = 8.76 Γ 300 = Rs. 2628 Β
160 cycles were sold for Rs.524,000 resulting in a loss of 10%. What was the cost price of a cycle (in Rs.)? (rounded off to the nearest rupee)
A box contains 6 blue shirts, 7 yellow shirts and 9 pink shirts. In how many ways can 4 shirts be drawn from the box, if at least one blue shirt, one ye...
197 ___ 32 ___ 16Β² ___ 45 ___Β 15 = 6,557
A man invested a sum of money at compound interest. It amounted to Rs. 2420 in 2 years and to Rs. 2662 in 3 years. Find the sum.
If A borrowed Rs. P at x% and B borrowed Rs. Q (>P) at y% per annum at simple interest at the same time, then the amount of their debts will be equal...
In a division sum, the divisor 'd' is 10 times the quotient 'q' and 5 times the remainder 'r'. If r = 46, the dividend will be
A water tap fills a tub in 'p' hours and a sink at the bottom empties it in 'q' hours. If p < q and both tap and sink are open, the tank is filled in...
Rani and Kavi undertake to do a work together for Rs. 600. Rani alone can do it in 15 days and Kavi alone in 20 days. But with the assistance of Rita th...
If a dozen apples weigh 1.8 kg in total, how many apples will be there in 3 boxes weighing 23.250 kg each?
If '+' means '-', '-' means '+', '×' means '÷', and '÷' means '×', then the value of 42 – 12 × 3 + 8 ÷ 2 + ...
Relevant for Exams:
