निम्नलिखित प्रश्न में, किस गणितीय संक्रिया का उपयोग करने पर दिया गया समीकरण सही होगा?

30 ? 6 ? 4 ? 5 ? 4

यदि 72 पुरूष 280 मी. लम्बी दीवार 21 दिनों में बनाते है,  तो 18 दिनों में 100 मी. लम्बी दीवार बनाने के लिये कितने पुरूषों की जरूरत होगी ? 

एक ही पासे की तीन अलग-अलग स्थितियां दिखाई गई हैं। संख्या   '2' को दर्शाने वाले फलक के विपरीत फलक पर संख्या होगी? 

6 बढ़ई, 16 दिनों में 96 खिड़कियां बनाते हैं। यदि 8 बढ़ई, 4 दिन के लिए कार्य करते है, तो वे कितनी खिड़कियां बनायेंगे?

In the following questions, the first and the last part of the sentence are numbered 1 and 6. The rest of the sentence is split into four parts and named P Q R and S. These four parts are not given in their proper order. Read the parts and find out which of the four combinations is correct. Then find the correct answer and indicate the correct response.

1. The teacher training agency in England hopes to make teaching one of the top three professions.
P. They have also demanded that the campaign should be matched by improved pay scales, work load and morale so as to avoid recruitment problems with an aim to raise the image of the teaching profession.
Q. A series of advertisements are now being screened showing famous people speaking about teachers they remember and admire.
R. An amount of $ 100 million has been set aside to combat the shortage of applicants for teacher training.
S. Teacher Unions have welcomed this campaign.
6. It is high time for the Indian Government also to think on similar lines and take steps to lift up the sinking morale of the teaching profession. 

इराक का प्राचीन नाम क्या है ?

निम्न में से किसने सभी तीन गोलमेज सम्मेलनों में भाग लिया था ?