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Standard VI

Mathematics

Problems Involving Multiplication and Division

A and B are...

Question

$A$ and $B$ are standing at place $P$ . They start moving in the opposite directions at the speed of $5 k m p h$ and $4 k m p h$ respectively. What will be the distance between them after $3$ hours?

3 k m

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21 k m

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18 k m

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27 k m

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Solution

The correct option is D $27 k m$
After $3$ hours, distance covered by $A = 5 \times 3 = 15 k m$ and distance covered by $B = 4 \times 3 = 12 k m$ .
Total distance between them $= 15 + 12 = 27 k m$ .

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A and B are standing at place P. They start moving in the opposite directions at the speed of 5 kmph and 4 kmph respectively. What will be the distance between them after 3 hours?

The correct option is D 27 kmAfter 3 hours, distance covered by A=5×3=15 km and distance covered by B=4×3=12 km.Total distance between them =15+12=27 km.

$A$ and $B$ are standing at place $P$ . They start moving in the opposite directions at the speed of $5 k m p h$ and $4 k m p h$ respectively. What will be the distance between them after $3$ hours?

The correct option is D $27 k m$
After $3$ hours, distance covered by $A = 5 \times 3 = 15 k m$ and distance covered by $B = 4 \times 3 = 12 k m$ .
Total distance between them $= 15 + 12 = 27 k m$ .