कार्बनिक पदार्थों के सड़ने पर जो मार्शी गैस उत्पन्न होती है और अधिकांशतः कोयला खदानों में पाई जाती है, उस गैस का नाम है ?

In the following passage some of the words have been left out. Read the passage carefully and choose the correct answer to each question out of the four alternatives and fill in the blank.

The Solar System has been a complicated wonder for the astronomers. This is a__(21)__to which we may never have the exact answer. Man has wondered__(22)__the age of the Earth__(23)__ ancient times. There were all kinds of__(24)____that seemed to have the___(25)___But man could not begin to think about the question scientifically until about 400 years ago when it was proved that the Earth revolved round the Sun and the Earth was a part of our Solar System, then scientists knew where to begin. 

Fill at the option (25).

साधारण ब्याज पर उधार दी गई राशि 2 वर्षों में ₹ 880 और 3 वर्षों में ₹ 920 हो जाती है। धन का योग (रुपये में) है

निम्नलिखित में से कौन सी पर्वतीय चोटी सिरोही जिले में अवस्थित नहीं है?

Direction: In the following question, out of the four alternatives, choose the one which can be substituted for the given sentence.

One who travels by foot

लंदन में किस विश्वविद्यालय ने एक संभावित COVID-19 वैक्सीन विकसित की है और पहला मानव परीक्षण 23 अप्रैल, 2020 से शुरू होगा?

निम्नलिखित प्रश्न में, उस विकल्प का चयन कीजिए जिसके वर्णों को क्रमानुसार श्रृंखला के रिक्त स्थान में भरने पर श्रृंखला पूरी होगी।
MN_O_NN_M_NO

Directions : Rearrange the following sentences (A), (B), (C), (D), (E)and (F) in the proper sequence to form a meaningful paragraph then answer the questions given below them.
(A) Had it been not for them, Indian banks would have had their hands tied down too.
(B) Today almost all the countries are facing the heat of recession.
(C) One of these is the strict RBI and. SEBI rules which regulated banking sector very efficiently.
(D) This could have led to massive losses to them, which could have percolated to other sectors as well. (E) However there are a few things which help India In bouncing back from the state of recession.
(F) Like others India too has not remained immune to the epidemic. 

Which of the following sentence should be the FIFTH after rearrangement?