How many meters are there in a kilometer? And how many centimeters are there in 1.5 meter? $\left( a \right)$ 1000, 150 $\left( b \right)$ 1000, 1000 $\left( c \right)$ 1000, 100 $\left( d \right)$ 1500, 150
Hint: In this particular question use the concept that kilo refers to thousand i.e. 1000, and use the concept that in 1 meter there are 100 cm, so use these concepts to reach the solution of the question.
Complete step-by-step answer: Now, we have to find out how many meters are there in a kilometer. As we all know that kilo refers to thousand i.e. 1000. So 1 kilometer there is 1000 meter. I.e. 1 kilometer = 1000 meters. Hence there are 1000 meters in 1 kilometers. Now we have to find out how many centimeters are there in 1.5 meters. As we all know that in 1 meter there are 100 centimeter. I.e. 1 meter = 100 centimeters Now multiply both sides by 1.5 in the above equation we have, Therefore, 1.5 (1) meter = 1.5 (100) centimeters. Now simplify we have, Therefore, 1.5 meters = 150 centimeters. Hence there are 150 centimeters in 1.5 meter. Hence option (a) is the correct answer.
Note:Whenever we face such types of questions the key concept we have to remember is that we always recall that in a kilometer there are 1000 meters and in a meter there are 100 centimeter so in 1.5 meter there are 150 centimeters.
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