alleryਈਰਾ 20 ਕਿਲੋਮੀਟਰ ਦੱਖਣ ਵੱਲ ਤੁਰਦੀ ਹੈ, ਖੱਬੇ ਮੁੜਦੀ ਹੈ ਅਤੇ 21 ਕਿਲੋਮੀਟਰ ਤੁਰਦੀ ਹੈ। ਉਹ ਸ਼ੁਰੂਆਤ ਤੋਂ ਕਿੰਨੀ ਦੂਰ ਹੈ?
A41 km
B29 km
C25 km
D31 km
Answer & Solution
Correct answer: B. 29 km
ਖੱਬਾ ਮੋੜ ਇੱਕ ਸੱਜਾ ਕੋਣ ਹੁੰਦਾ ਹੈ, ਇਸ ਲਈ ਦੂਰੀ 400 ਪਲੱਸ 441 ਦਾ ਵਰਗਮੂਲ ਹੈ, ਜੋ ਕਿ 29 ਕਿਲੋਮੀਟਰ ਹੈ।
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