The longest river of Peninsular India is :

Ravi purchases 90 pens and sells 40 pens at a gain of 10% and 50 pens at a gain of 20%. Had he sold all of them at a uniform profit of 15% he would have got Rs. 40 less. Find the cost price of each pen.

In the following question, select the related number from the given alternatives.
50: 65 :: 122 :?

Find the odd word from the following:

How many triangles are there in the following figure?

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 tern ‘Neo-rich’ means –

Which group of the following represents the correct sequence of mountain peaks of Rajasthan in descending order of their height? 

Which organisation launched 'Year of Awareness on Science & Health (YASH)' a programme on health and risk communication with a focus on COVID-19?