If points P and Y are just meeting at the point of contact between the dials , and if dial 1 spins at exactly three time the speed of dial 2, which of the following pairs of points will be the next pair to meet at the point of contact?

A N and X
B N and Z
C O and Y
D P and Z

Correct Answer: P and Z

ডায়াল - 1 যেহেতু ডায়াল - 2 এর তিনগুণ গতিতে ঘুরবে তাইContact point - এ ডায়াল - 2 এর 2 আসতে আসতে ডায়াল - 1এর P আবার সেখানে চলে আসবে । অর্থাৎ contact point - এ জোড়টি হবে P, Z । যদি উভয় ডায়াল সমান গতিতে ঘুরতো সেক্ষেত্রে pair - টি হতো O, Z । সুতরাং options এর সঠিক উত্তর (d).
Bissoy MCQ
#মানসিক দক্ষতা #Dutch-Bangla Bank Ltd #Dutch-Bangla Bank Ltd - Probationary Officer - 14.08.2015

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