एक बर्तन में कुछ लीटर शुद्ध दूध हैं। यदि इसमें 25 लीटर पानी मिला दिया जाए तो बर्तन नें दूध और पानी का अनुपात 12 : 5 हो जाता हैं , इसमें से 17 लीटर मिश्रण निकाल कर 10 लीटर पानी मिला दिया जाए तो दूध और पानी का अनुपात ज्ञात कीजिये ?

What, one wonders, is the lowest common denominator of Indian culture today? The attractive Hema Malini ? The songs of Vinidh Barati? The attractive Hema Malini? The sons of Vinidh Barati?
 Or the mouth-watering Masala Dosa? Delectable as these may be, each yield pride of place to that false (?) symbol of a new era-the synthetic fibre. In less than twenty years the nylon sari and the terylene shirt have swept the countryside, penetrated to the farthest corners of the land and persuaded every common man, woman and child that the key to success in the present day world lie in artificial fibers: glass nylon, crepe nylon, tery mixes, polyesters and what have you. More than the bicycles, the wristwatch or the transistor radio, synthetic clothes have come to represent the first step away form the village square. The village lass treasures the flashy nylon sari in her trousseau most delay; the village youth gets a great kick out of his cheap terrycot shirt and trousers, the nearest he can approximate to the expensive synthetic sported by his wealthy citybred contemporaries. And the Neo-rich craze for ‘phoren’ is nowhere more apparent than in the price that people will pay for smuggled, stolen, begged borrowed second hand or thrown away synthetics. Alas, even the uniformity of nylon. 

The synthetic fibre has –

किस वार्षिक ब्याज की दर से ₹ 3000, 3 वर्ष में ₹ 3993 हो जाएगा यदि चक्रवृद्धि ब्याज वार्षिक देय हो, तो दर क्या है ? 

तीन संख्याएँ, जो एक दूसरे की सहअभाज्य संख्याएँ हैं । पहली दो संख्याओं का गुणनफल 551 तथा अतिम दो संख्याओं का गुणनफल 1073 है, तो तीनों संख्याओं का योग ज्ञात करें ? 

Fill in the blanks in the passage below with the appropriate word from the options.
I have always been nervous and keyed up at onset of any operation. With Louwtjie next to me, I became even more tense. There was a sense of . . . . (1) . . . . between us which did not belong in the theatre. It was something electrical, a sort of involuntary interlocking of our . . . . ( 2 ) . . . . selves , which she could not sever any more than I would. Inevitably, this was a contraction at the operating table. The ritual of command and interlocking of hands and instruments demand a totally different relationship.

(2).........
( A ) projected
( B ) protracted
( C ) distracted
( D ) frustrated 

20 मापनों का औसत 56 cm है । बाद में ज्ञात हुआ कि, त्रुटि के कारण एक मापन 61 cm के स्थान पर 64 cm अंकित किया गया। सही औसत ज्ञात करें : 

'राजपूत पेंटिंग' शीर्षक से1916 ई. में किसने पुस्तक लिखी?

पौधे के उस रोग का नाम बताइए जिसमें पत्तियाँ, शाखाएँ, फल सभी प्रभावित होते हैं?