Q. A 0.24 g sample of compound of oxygen and boron was found by analysis to contain 0.096 g of boron and 0.144 g of oxygen. Calculate the percentage composition of the compound by weight. Ans: Total...
1. The cat jumped _______ the fence. 2. He walked ______ his mother. 3. The cake was shared _____ both boys. 4. We saw him standing ____ the door. 5. She sat ____ the table. 6. Mother was angry ____...
1.Tangerine is smaller than orange.2.Oranges are sweet and tangerines are less sour or tart than that of oranges.3.The peel of tangerine can be easily removed unlike the orange.
Q) 2x + 3y = 13; 4x + 5y = 23? Ans: Now take LHS of both the equations and cross multiply and subtract. We get 3*4-5*2 = 2. Let it be 'a'. Now to find x neglect the x terms and cross multiply the other...
Multiplying Fractions If your friend has one-quarter of a pie, and she gives you half, how much of the pie do you have? Or, to put it another way, what's half of one-quarter? Or, to put it into...