The series is 3 × 1² + 3 = 6, 6 × 2 + 4 = 16, 16 × 3² + 5 = 149, 149 × 4 + 6 = 602, 602 × 5² + 7 = 15057,... Therefore it should be 16 in place of 18.
Alloy A contains iron and copper in ratio 4:5. Alloy B contains iron and copper in ratio 3: 4. If 63kg of alloy A and 56 kg of alloy B are mixed, then w...
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, B and C alone can complete a work in 20, 30 and 25 days respectively. All of them started working together but after 4 days from start A left the job...
A sum of ₹4,360 was to be divided among A, B, C, and D in the ratio 3:4:5:8, but it was divided in the ratio 1/3:1/4:1/5:1/8. Was divided by mistake: ...
In what ratio coffee at 255 Rs/kg should be mixed with the coffee at 310 Rs/kg so that after mixture its rate become 270 Rs/kg if the quantity of 1st ty...
In what ratio, tea costing Rs 35 per kg should be mixed with tea costing Rs 28 per kg so that a profit of 20% is earned when the mixture is sold at Rs 3...
Ramu has lent Rs. 60,000 to Murali and Bansi at 7% p.a. and at 11% per annum respectively. At the end of the year, he has gained an overall interest at...
A vessel contains some milk .6 liter of the milk was taken out of the vessel and replaced with 6 liter of water and again 6 liter of mixture was taken o...
The seller sold a total of 40 kg of rice bags, comprising Basmati Rice and Brown Rice. The cost price of Basmati rice is Rs.72/kg, and that of Brown ric...
A shopkeeper has 60 kg rice a part of it, he sells at the profit of 30% and rest at loss of 10% and he get the loss of 8% so what is the quantity sold a...
