निम्न में से किसे आउटपुट डिवाइस कहा जाता है?

निम्न में से कौन-सा युग्म सुमेलित नहीं हैं -

$$ {1\over {^3\sqrt{4}+{^3\sqrt{2}}}+1}=a^3\sqrt{4}+ b^3\sqrt{2}+c $$ और a, b, c परिमेय संख्याएँ हैं, तो a + b + c के बराबर है

AB केंद्र बिंदु O वाले वृत्त का व्यास है। C पर स्पर्शज्या Q पर बने AB से मिलती है। यदि ∠CAB = 34°, तो ∠CBA का माप क्या होगा?

निर्देश : निम्नलिखित जानकारी का अध्ययन करें और प्रश्नों के उत्तर दें।
 एक कृत्रिम भाषा में,

“Square Love On Black” को “dl ap xy be” लिखा गया है।

“Square floor On Black” को “dl uv be ap” लिखा गया है।

“Love Wings Beauty Nice" को "sq xy om rz" लिखा गया है।

“Wings Beauty Floor Black" को "sq rz uv be” लिखा गया है।

दी गई भाषा में "beauty” को किस प्रकार कूटबद्ध किया गया है?

Select the correctly spelt word.

In the following passage some words have been deleted. Fill in the blanks with the help of the alternatives given. Select the most appropriate option for each number.

Antarctica is perhaps the one place on Earth no one would have expected (1)______ canyons. And yet, scientists were surprised to (2)______ deep crevices that run for hundreds of kilometres. (3)______ they are not visible at the snowy surface, (4)______ trenches cut deep into Antarctica. The biggest (5)______ canyon is over 350 km long. It’s called ‘Foundation Trough’. Other canyons are not as long, but they are impressive too. These canyons were found with the help of radars after scanning the wide expanse of the frozen continent. They are incredibly important because they help control the flow of the ice.

Select the most appropriate option to fill in the blank No. 5.

In the following question, out of the given four alternatives, select the alternative which best expresses the meaning of the Idiom/Phrase.

To play with fire