Exams

If a2+1a2 = 38, then find the value of a-1a?

In the question, a word is represented by only one set of numbers as given in any one of the alternatives. The sets of numbers given in the alternatives are represented by two classes of alphabets as in two matrices given below. The columns and rows of Matrix I are numbered from 0 to 4 and that of Matrix II are numbered from 5 to 9. A letter from these matrices can be represented first by its row and next by its column, e.g., 'E' can be represented by 14, 31, etc. and 'R' can be represented by 78, 89 etc. You have to identify the set for the word 'LAND'.

In the following question, the sentence given with blank to be filled in with an appropriate word. Select the correct alternative out of the four and indicate it by selecting the appropriate option.

Egoism is ______ or negative pride-the mentality of showing and acting superior to others.

Who first determined the value of G (gravitational constant)?

In the following passage, some of the words have been left out. Read the passage carefully and select the correct answer for the given blank out of the four alternatives.

Cyber security has ________________interesting parallel to terrorism. _________________ are asymmetric. Ensuring security of data, information, and communication is considerably harder than hacking into a system. The attacker has an inherent ________________ in both conventional terrorism and cyber attacks. In the case _________________ state­-sponsored attacks, the challenges are of a much ________________ magnitude.

In the case _________________ state-­sponsored attacks.

Which type of city administration controls transitional areas (from rural to urban)?

30% discount is offered on an item. By applying a promo code the customer wins 10% cash back. What is the effective discount?

When Gopal walks from A to B and returns from B to A on cycle, then it takes him 46 minutes. By walking both ways, it takes him 75 minutes. If he rides cycle both ways then what will be the total time (in minutes)?