The conventional 10+2 school curricula structure is to be replaced by a 5+3+3+4 structure corresponding to ages 3-8, 8-11, 11-14, and 14-18 years respectively. This structure, when broken up into corresponding grades, is: Three years of anganwadi or preschool + two years in primary school in grades 1-2 covering ages 3 to 8 years The ‘preparatory stage’ covering ages 8 to 11 years or grades 3-5 The ‘middle stage’ covering ages 11 to 14 years or grades 6-8 The ‘secondary stage’ covering ages 14 to 18 years in two phases – grades 9-10 in the first and grades 11-12 in the second
A certain mixture consists of oil and water, with the water content exceeding that of oil by 20%. When 70 ml of oil and 60 ml of water are introduced in...
A container has only two types (P and Q) of oil in the ratio 3:2 respectively. When 90 litre of oil Q is added to the containerthe quantity of oil P bec...
A 220-litre mixture contains petrol and water, only in ratio 6:5, respectively. How much water should be added in the mixture so that the quantity of wa...
A mixture contains milk and water, where the difference between the quantities of milk and water is 20% of the total mixture, which is 180 ml. If adding...
100 litres of a mixture contains 40% milk and rest water. If ‘x’ litres of milk is added into the mixture then quantity of water in the final mixtur...
A container contains a mixture of 50 liters of milk and water in the ratio 5:3. If 8 liters of the mixture is taken out and replaced by water, what is t...
150 litres of mixture contains water and milk in the ratio 3:5 respectively. If 54 litres of the mixture is replaced by same quantity of water, then fin...
The ratio of the quantity of milk to that of water in a 21-liter mixture is 5:2. How much milk should be added to the mixture such that the ratio of mil...
180 litres of a mixture contains 36% milk and rest water. If ‘x’ litres of milk is added into the mixture then quantity of water in the final mixtur...
