निर्देश: निम्नलिखित संख्या श्रृंखला में प्रश्नवाचक चिन्ह (?) के स्थान पर क्या आएगा?

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केवलादेव राष्ट्रीय उद्यान राजस्थान के किस जिले में स्थित है?

निम्नलिखित में से किसके दौरान निकास गैस में एक ऑटोमोबाइल, कार्बन मोनोऑक्साइड सामग्री की परिचालन स्थिति अधिकतम है?

In the following question, a sentence has been given in Active/Passive voice. Out of the four alternatives suggested, select the one which best expresses the same sentence in Passive/Active voice.

You are making your life more difficult.

There are three main groups of oils-animal, vegetable and mineral. Great quantities of animal oil come from whales, creatures of the sea, which are the largest of the animals remaining in the world. To protect the whales from the cold of the Artic seas, nature has provided them with a thick covering of fat, called blubber. When the whale is killed, the blubber is stripped off and boiled down. It produces a great quantity of oil which can be made into food for human consumption. A few other creatures yield oil, but none so much as the whale. The livers of the cod and halibut, two kinds of fish, yield nourishing oil. Both cod liver oil and halibut oil are given to sick children and other invalids who need certain vitamins.. 
Vegetable oil has been known from very old times. No household can get on without it, for it is used in cooking. Perfumes may be made from the oils of certain flowers. Soaps are made from eatable and animal products and the oils of certain flowers. 

…………….are made form vegetable, animal products and the oils of certain flowers.

किस केंद्रीय मंत्री ने नई दिल्ली में गवर्नमेंट ई मार्केटप्लेस (GeM) पर eTransactions के माध्यम से स्टार्ट-अप, महिला और युवा लाभ को बढ़ावा देने के लिए एक पहल शुरू की?

चाँद—बावड़ी कहाँ पर स्थित है?