एक वस्तु का विक्रय मूल्य, क्रय मूल्य का 7 / 6 है । लाभ प्रतिशत कितना है ? 

निम्नलिखित श्रेणी में प्रश्न चिह्न ( ? ) के स्थान पर क्या आएगा ? 
13, 25, 61, 121, 205, ? 

Sentences of a paragraph are given below in jumbled order. Arrange the sentences in the correct order to form a meaningful and coherent paragraph. 

A. Tigers are the largest members of the cat family. They are found in many parts of Asia.

B. They mostly live in dark forests and sleep during the day. They come out for hunting pigs and deer by night.

C. It is assumed that, probably, around 3,000 tigers live in the wild. This species looks spectacular and grand and they are very graceful in their movements.

D. It is almost impossible for us to see them against a jungle background, especially when they are standing still, because of their striped coats. Unlike, most cats, the tiger likes bathing very much.

In these questions read each sentence to find out whether there is any error in it. If there is no error, the answer is (D).

I like reading (A) / more than (B)/ to play (C)./ No error (D).

यदि एक 48 π वर्ग इकाई क्षेत्रफल के वृत्त के अन्दर एक समबाहु त्रिभुज निर्मित किया जाता है तो त्रिभुज का परिमाप है।

किसी धनराशि पर 5 % वार्षिक दर से 8 वर्ष का सधारण ब्याज ₹840 है । 5 वर्ष बाद उसी धनराशि पर यदि उतनी ही ब्याज प्राप्त हो तो ब्याज की दर कितनी होगी ?