दी गई संख्या श्रृंखला में एक संख्या गलत है । गलत संख्या ज्ञात कीजिये।

120, 143, 168, 196, 224

निर्देश: निम्नलिखित संख्या श्रृंखला में प्रश्न चिह्न (?) के स्थान पर क्या आना चाहिए?

87 89 95 107 ? 157 

यदि 841 का वर्गमूल 29, है, 0.0000084  का वर्गमूल किसके बराबर है ?

16 tan² θ + 25cot² θ का मान न्यूनतम मान होगा—

निर्देश: निम्नलिखित संख्या श्रृंखला में प्रश्न चिह्न (?) के स्थान पर क्या आना चाहिए?

55 109 ? 433 865 1729 

The following sentence has been split into four segments. Identify the segment that contains a grammatical error.

Do you / recall to meet / her at the party / last night?

Directions: In each question below, four words printed in bold type are given. These are numbered (A), (B), (C) and (D). One these words printed in bold might either be wrongly spelt or inappropriate in the context of the sentence. Find out the word that is inappropriate or wrongly spelt, if any. The number of the word is your answer. If the words printed in bold are correctly spelt and appropriate in the context of the sentence then mark (E), i.e. 'All Correct', as your answer.

Ronald was very proud (A) / of his new car and would always (B) / be on the lookout for an excuse (C) / to flaunt (D) / it. All correct (E)

इकोलॉजी शब्द किसने प्रतिपादित किया?