Question
(0.04)5 × (0.2)4 ÷
(0.008)2 = (0.2)?Solution
(0.04)5 × (0.2)4 ÷ (0.008)2 = (0.2)? => 0.2? = 0.02[2 × 5 + 4 − (3 × 2)] => ? = 10 + 4 - 6 => ? = 14 - 6 => ? = 8
Cost of two types of pulses is Rs.14 and Rs, 19 per kg, respectively. If both the pulses are mixed together in the ratio 2:3, then what should be the pr...
The scores achieved by P and Q in an examination are in a ratio of 9:4 respectively. If Q scores an additional 11 points, then P's score will be approxi...
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 man sold one shirt and one t-shirt for Rs. 4000 on shirt he gained 21% and he lost 14% on t-shirt. If overall profit is 7%, then cost price of t-shirt is
The ratio of milk and water in a mixture of 80 litre is 3:2. If some quantity of mixture taken out and then 4 litre of milk and 4 litre of water is adde...
A Hemi sphere has a volume of 486Ο cubic units. What is the radius of the sphere?
In what ratio rice at 44 Rs/kg should be mixed with the rice at 28 Rs/kg so that selling mixture at Rs 42 per kg gives the profit of 20% if the quantity...
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 is cycling at an average speed of 24 km/hr such that he can reach a certain point at 12 noon. If he cycles at 40 km/hr, then he will reach the destina...
The cost price of a rice bag is 40% of the cost price of a sugar bag. The rice bag is sold at a 60% profit, while the sugar bag i...
