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Let, number of book and number of pen sold by shopkeeper be 17x and 10x respectively. Number of pencil sold by shopkeeper = 11/5 × 10x = 22x So, 17x × 40 + 10x × 20 + 22x × 10 = 22000 ⇒ 680x + 200x + 220x = 22000 ⇒ 1100x = 22000 x = 20 Number of pen sold by shopkeeper = 10x = 200
The cost price of one apple is Rs. 14. If the selling price of an mango is 25% higher than the cost price of a dozen apples and t...
Find the simplified value of the given expression:
(5 + 13 of 7 - 5.25 of 8 + 63) ÷ 18
Two trains are moving in opposite directions at speeds of 72 km/hr and 54 km/hr. If they cross each other in 15 seconds, find the length of the faster t...
A family spends 40% of their monthly income on rent, 20% on groceries, and 15% on utilities. If they save ₹5,400 after these expenses, what is their t...
Average run scored by a batsman in 20 innings is 50. In next 6 innings, he scored runs with an average of ‘x’ so that his overall average increases ...
If a product's price increases by 25% and then decreases by 20%, what is the net percentage change in price?
Evaluate: {0.808 of 7500 - 80 × (1.458 + 2.242)}