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Distance = (60 * 3) + (80 * 2) = 180 + 160 = 340 km Total time = 3 + 2 = 5 hours Average speed = 340 / 5 = 68 km/hr Quantity II: Total distance = 150 + 180 = 330 km Total time = (150 / 50) + (180 / 60) = 3 + 3 = 6 hours Average speed = 330 / 6 = 55 km/hr Answer: E (Quantity I > Quantity II)
In a compound, the elements are always present in definite proportions by:
In the periodic table of elements, what happens to the atomic radius as you move from left to right across a period?
The fossil of Archaeopteryx represents the evidence of origin of
On a clean glass plate, a drop of water spreads to form a thin layer whereas a drop of mercury remains almost spherical because:
What is the chemical name for baking soda?
Which of the following is a noble gas ?
What is the chemical name of the Laughing Gas?
_________is a formula for rust.
Which of the following is a water soluble vitamin?
What is the chemical name of baking soda?