Sum of present age of A, B and C = 84 – (5 × 3) = 69 years Present age of C = 69 – (34 + 23) = 12 years 3 years hence, age of C = 12 + 3 = 15 years
If (x - 5)2 - (x + 5)2 = 0, then what is the value of 'x'?
On reducing the marked price of his goods by ₹28, a shopkeeper gains 20%. If the cost price of the article be ₹560 and it is sold at the marked pric...
How much groundnut powder at Rs. 90 a kg. should be added to 56 kg. of cashew powder at Rs.310 a kg. so that by selling the mixture for Rs. 280 a kg...
Spirit and water are present in a vessel in the ratio 4:3. If 5 liters of water and 5 liters of spirit are added to this mixture, the ratio of spirit an...
A milk vendor has 93 litres of cow pure milk, 62 litres of toned milk and 124 litres of double toned milk. If he wants to pack them in cans so that each...
At what time was the temperature the lowest?
There are two buckets X and Y containing mixture of milk and water in which concentration of milk is (a-9)% and (a+15)%, respectively. They are mixed to...
A merchant has 1200 kg of sugar, part of which he sells at 9% profit and the rest at 15% profit. He gains 11% on the whole. The quantity (in kg) sold at...
A school conducted a survey on the number of students participating in various extracurricular activities over three years. The data is as follows (in n...
The current ages of Aman and Bishnu are in the ratio 3:4, respectively. Two years ago, Bishnu's age was 40% more than Aman's age ...
