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// GIVE TIME HERE
var time_in_minutes = 15;
var current_time = Date.parse(new Date());
var deadline = new Date(current_time + time_in_minutes*60*1000);
function time_remaining(endtime){
var t = Date.parse(endtime) - Date.parse(new Date());
var seconds = Math.floor( (t/1000) % 60 );
var minutes = Math.floor( (t/1000/60) % 60 );
var hours = Math.floor( (t/(1000*60*60)) % 24 );
var days = Math.floor( t/(1000*60*60*24) );
return {'total':t, 'days':days, 'hours':hours, 'minutes':minutes, 'seconds':seconds};
}
function run_clock(id,endtime){
var clock = document.getElementById(id);
function update_clock(){
var t = time_remaining(endtime);
clock.innerHTML = 'Time Left - '+t.minutes+':'+t.seconds;
if(t.total<=0){ clearInterval(timeinterval); }
}
update_clock(); // run function once at first to avoid delay
var timeinterval = setInterval(update_clock,1000);
}
run_clock('clockdiv',deadline);
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{"type":"radio","question":" 1. भूमि से 100m की ऊँचाई तथा 60° के उन्नयन कोण पर उड़ती पतंग की डोरी की लंबाई है (2020 A) ","explanation":"",
"options":[{"value":" (A) 100 m ","right" :false ,"selected":false},
{"value":" (B) 100√2 m ","right" :false ,"selected":false},
{"value":" (V) 200/√3m ","right" :true ,"selected":false},
{"value":" (D) 200m ","right" :false ,"selected":false}],"selected":"3"},
{"type":"radio","question":" 2. 12m के ऊँचे खंभे की जमीन पर पड़ रही छाया की लंबाई 4/3m है । सूर्य का उन्नयन कोण है(2020 A) ","explanation":"",
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{"value":" (B)45° ","right" :false ,"selected":false},
{"value":" (C)30° ","right" :false ,"selected":false},
{"value":" (D)90° ","right" :false ,"selected":false}],"selected":"3"},
{"type":"radio","question":" 3. किसी मीनार की ऊँचाई 10m है । जब सूर्य का उन्नयन कोण 45° हो, तो मीनार की छाया की लंबाई जमीन पर क्या होगी? (2020 A) ","explanation":"",
"options":[{"value":" (A) 5 m ","right" :false ,"selected":false},
{"value":" (B) 8m ","right" :false ,"selected":false},
{"value":" (C) 7m ","right" :false ,"selected":false},
{"value":" (D) 10m ","right" :true ,"selected":false}],"selected":"3"},
{"type":"radio","question":" 4. यदि एक उद्ग खंभे की ऊँचाई तथा उसकी भूमि पर छाया की लंबाई समान है, तो सूर्य का उन्नयन कोण है (2020A) ","explanation":"",
"options":[{"value":" (A) 0° ","right" :false ,"selected":false},
{"value":" (B) 30° ","right" :false ,"selected":false},
{"value":" (C) 45° ","right" :true ,"selected":false},
{"value":" (D) 60° ","right" :false ,"selected":false}],"selected":"3"},
{"type":"radio","question":" 5. दो खंभे 13 m और 7 m ऊँचे हैं और समतल जमीन पर ऊर्ध्वाधर खड़े हैं। यदि उनके पादों के बीच की दूरी 8 m है, तो उनके सिरों के बीच की दूरी है (2021A) ","explanation":"",
"options":[{"value":" (A) 10 m ","right" :true ,"selected":false},
{"value":" (B) 9 m ","right" :false ,"selected":false},
{"value":" (C) 12m ","right" :false ,"selected":false},
{"value":" (D) 11 m ","right" :false ,"selected":false}],"selected":"3"},
{"type":"radio","question":" 6. यदि एक स्तंभ की छाया की लंबाई, स्तंभ की ऊँचाई से √3 गुनी है, तो सूर्य का उन्नयन कोण है। (2021A) ","explanation":"",
"options":[{"value":" (A) 30° ","right" :false ,"selected":false},
{"value":" (B) 60° ","right" :true ,"selected":false},
{"value":" (C) 75° ","right" :false ,"selected":false},
{"value":" (D) 45° ","right" :false ,"selected":false}],"selected":"3"},
{"type":"radio","question":" 7. एक हवाई जहाज क्षैतिज से 30° का बनाते हुए 184 मी. ऊपर जाता है। तब हवाई जहाज जमीन से कितनी ऊँचाई पर है? ","explanation":"",
"options":[{"value":" (A) 82 मी. ","right" :false ,"selected":false},
{"value":" (B) 92 मी. ","right" :true ,"selected":false},
{"value":" (C) 102 मी. ","right" :false ,"selected":false},
{"value":" (D) 112 मी. ","right" :false ,"selected":false}],"selected":"3"},
{"type":"radio","question":" 8. एक मीनार के आधार से 30 m दूरी पर स्थित भूमि के एक बिन्दु से मीनार की चोटी का उन्नयन कोण 30° है । मीनार की ऊँचाई क्या है? ","explanation":"",
"options":[{"value":" (A) 17.32 मी. ","right" :true ,"selected":false},
{"value":" (B) 1.732 मी. ","right" :false ,"selected":false},
{"value":" (C) 173.2 मी. ","right" :false ,"selected":false},
{"value":" (D)0.1732 मी. ","right" :false ,"selected":false}],"selected":"3"},
{"type":"radio","question":" 9. उस पतंग की डोरी की लम्बाई क्या है जो क्षैतिज तल से 60°.का कोण बनती है और पतंग 60 मी ऊँचाई पर है ? ","explanation":"",
"options":[{"value":" (A) 6.928 मी. ","right" :false ,"selected":false},
{"value":" (B) 69.28 मी. ","right" :true ,"selected":false},
{"value":" (C) 692.8 मी. ","right" :false ,"selected":false},
{"value":" (D) 69.5 मी. ","right" :false ,"selected":false}],"selected":"3"},
{"type":"radio","question":" 10. एक मीनार के शीर्ष का उन्नयन कोण उसके पाद से 15 मी. दूरी पर 60° है । तब मीनार की ऊँचाई क्या है ? ","explanation":"",
"options":[{"value":" (A) 15√3 मी. ","right" :true ,"selected":false},
{"value":" (B) 16√3 मी. ","right" :false ,"selected":false},
{"value":" (C) 17√3 मी. ","right" :false ,"selected":false},
{"value":" (D) 18√3 मी. ","right" :false ,"selected":false}],"selected":"3"},
{"type":"radio","question":" 11. यदि एक मीनार के पाद से 100° मी० दूर स्थित बिन्दु पर मीनार का उन्नर को 60° है। तब मीनार की ऊँचाई है? Trigonometry ","explanation":"",
"options":[{"value":" (A) 50√3 मी. ","right" :false ,"selected":false},
{"value":" (B) 100√3 मी. ","right" :false ,"selected":false},
{"value":" (C) 100/√3मी. ","right" :true ,"selected":false},
{"value":" (D) 200/√3मी. ","right" :false ,"selected":false}],"selected":"3"},
{"type":"radio","question":" 12. एक मीनार की ऊँचाई और उसकी छाया का अनुपात 1:√3 है। तब सूर्य का उन्नयन कोण है : ","explanation":"",
"options":[{"value":" (A) 30° ","right" :true ,"selected":false},
{"value":" (B) 45° ","right" :false ,"selected":false},
{"value":" (C) 60° ","right" :false ,"selected":false},
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{"type":"radio","question":" 13. यदि सूर्य की ऊँचाई 60° है तब 30 मी. लम्बी छाया बनाने वाली उदग्र मीनार की ऊँचाई है : ","explanation":"",
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{"value":" (B) 15 मी. ","right" :false ,"selected":false},
{"value":" (C) 30√3मी. ","right" :true ,"selected":false},
{"value":" (D) 30√2 मी. ","right" :false ,"selected":false}],"selected":"3"},
{"type":"radio","question":" 14. जब सूर्य की ऊँचाई 30° से बढ़कर 60° हो जाता है तब झंडे की छाया 40 मी. घट जाती है। तब झंडे की ऊँचाई क्या है ? ","explanation":"",
"options":[{"value":" (A) 15√3 मी. ","right" :false ,"selected":false},
{"value":" (B) 5√3 मी. ","right" :false ,"selected":false},
{"value":" (C) 10√3 मी. ","right" :false ,"selected":false},
{"value":" (D) 20√3मी. ","right" :true ,"selected":false}],"selected":"3"},
{"type":"radio","question":" 15. जब खम्भे की ऊँचाई इसकी छाया से 3 गुना होता है तब सूर्य का उन्नयन कोण है: Trigonometry ","explanation":"",
"options":[{"value":" (A) 150 ","right" :false ,"selected":false},
{"value":" (B) 60° ","right" :true ,"selected":false},
{"value":" (C) 75° ","right" :false ,"selected":false},
{"value":" (D) 90° ","right" :false ,"selected":false}],"selected":"3"},
{"type":"radio","question":" 16. 87 मीटर ऊँची एक मीनार से नदी में स्थित नाव का अवनमन कोण 30° है। यदि नाव मीनार की ओर 5.8 किमी. प्रति घंटा की चाल से चल रही है, तो नाव को मीनार तक आने में कितना समय लगेगा? ","explanation":"",
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{"value":" (B) 9√3/10मिनट ","right" :true ,"selected":false},
{"value":" (C) 25 मिनट ","right" :false ,"selected":false},
{"value":" (D) 15 मिनट ","right" :false ,"selected":false}],"selected":"3"},
{"type":"radio","question":" 17. एक समतल मैदान में स्थित एक मीनार के शीर्ष का उन्नयन कोण उसी समतल के एक स्थान पर 45° है तथा उस स्थान से मीनार की ओर 25 मीटर बढ़ने पर 60° हो जाता है । मीनार की ऊँचाई होगी- ","explanation":"",
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{"value":" (B) 5/2(⅓+√3) मीटर ","right" :false ,"selected":false},
{"value":" (C) 25/2(3+√3) मीटर ","right" :true ,"selected":false},
{"value":" ( D) 25/2(3-√3)मीटर ","right" :false ,"selected":false}],"selected":"3"},
{"type":"radio","question":" 18. एक मनुष्य नदी के किनारे खड़े होकर देखता है कि नदी के दूसरे किनारे पर स्थित एक वृक्ष का उन्नयन कोण 45° का है। जब वह किनारे से 50 मीटर पीछे हट जाता है, तो उन्नयन कोण 30° रह जाता है । नदी की चौड़ाई क्या है ? ","explanation":"",
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{"value":" (B) 50 मीटर ","right" :false ,"selected":false},
{"value":" (C) 75 मीटर ","right" :false ,"selected":false},
{"value":" (D) 50/√3-1)मीटर ","right" :true ,"selected":false}],"selected":"3"},
{"type":"radio","question":" 19. एक मीनार जोकि समतल जमीन पर खड़ी है, जिसकी परछाई सूर्य के उन्नयन कोण 45 से नपल कर बढ़ जाती है । इस मीनार की ऊँचाई है ","explanation":"",
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{"value":" (B) 14 मीटर ","right" :false ,"selected":false},
{"value":" (C) 13.9 मीटर ","right" :false ,"selected":false},
{"value":" (D) 13.7 मीटर ","right" :true ,"selected":false}],"selected":"3"},
{"type":"radio","question":" 20. यदि एक मीनार के पाद से 1 मी. दूर स्थित बिन्दु पर मीनार का उन्नयन कोण 60° है। तब मीनार की ऊँचाई है ? ","explanation":"",
"options":[{"value":" (A) 50√5 मी. ","right" :false ,"selected":false},
{"value":" (B) 10√3 मी. ","right" :true ,"selected":false},
{"value":" (C) 100/√3मी. ","right" :false ,"selected":false},
{"value":" (D) 200/√3मी. ","right" :false ,"selected":false}],"selected":"3"},
];
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