Related Questions

Which of the following statement regarding radioactive decay is correct?  Average life equals to 1.44 of half-life. Half-life is directly proportional to decay constant. The decay of element is proportional to no of atoms or moles.
Quantity I: The difference between present ages of Dheeru and Chandan is 4 years and the average of present ages of Bablu and Dheeru is 30 years. If Amit is 48 years older to Bablu and Dheeru is 36 years younger to Bablu, then what is the average of the present ages of Amit and Bablu? Quantity II:  The ratio of present ages of K, L and M is 18 : 14 : 13, respectively, then difference between the present ages of K and M is 25 years.  What is the average of the ages of K, L and M, Quantity III: 70 Years
At present, the ratio of the ages of P and Q is 3 : 5, the ratio of ages of Q and R is 3 : 4 and the ratio of ages of R and S is 10 : 11. If the sum of the present ages of all of them is 198 years, what is the ratio of ages of Q and R after 15 years?
Read the passage carefully and choose thebest answer to each question out of the four alternativesand click the button corresponding to it. To know language is to be able to speak it; even a childwho does not yet attend school can speak his or herlanguage. In order to speak a language it is important tolisten to it and to read a few pages in it everyday. A childpicks up language and learns to talk just as (s)he learnsto walk. Walking and talking comes naturally to a child asit grows. In our country, a child may grow up speakingmore than one language, if these languages are spoken inthe home and in the neighbourhood. we call this multilingualism. A child speaks a language or languagesmuch before (s)he starts going to school. To know alanguage then is first of all to be able to speak it as easilyand naturally as a tree year old child does. Later on thechild will learn to read and write in that language. In orderto read and write in a language, one has to speak it. But itis possible to speak a language but not able to read orwrite in it. A baby does not speak until it is nine monthsold but it understands a few words at six months of age.It has been listening ever since it was born, and even alittle before that. So the first strategy in speaking alanguage is to listen. It is necessary for one to __________ the language before(s)he writes in that language.
Which of the following is the correct sequence in the development of geographic thought? (A) Greeks, Roman, Arabs, Dark Ages (B) Greeks, Roman, Dark Ages, Arabs (C) Roman, Greeks, Arabs, Dark Ages (D) Arabs, Greeks, Roman, Dark Ages  (E) Greeks, Dark ages, Roman, Arabs Choose the correct answer from the options given below:
Consider the following schedule S of transactions T1, T2, T3, T4: T1 T2 T3 T4   Reads(X)         Writes(X) Commit   Writes(X)  Commit         Writes(Y) Reads(Z) Commit           Reads(X) Reads(Y) Commit   Which one of the following statements is CORRECT?
Each of the questions below consists of a question and three statements number I, II and III given below it. You have to decide whether the data provided in the statement are sufficient to answer the question. Ali is 3 years older than Bela who is 5 years older than Chals. The ratio of age of Dyna and Ena after two years will be 3 : 4 years. Sum of ages of Dyna, Ena, Fanny and Geet is 50 years. What is the present age of Geet? Statement I: The ratio of ages of Dyna and Fanny is 7 : 15 respectively and Ali is 18 years old. Statement II: The sum of ages of Ena and Fanny is 25 years. Statement III: The sum of ages of Dyna and Ena is 17 years and fanny is 8 years older than Dyna.
Read the paragraph and answer the question that follows: An environment is the natural surroundings which help life to grow, nourish and destroy on this planet called earth. Natural environment plays a great role in the existence of life on earth and it helps human beings, animals and other living things to grow and develop naturally. But due to some bad and selfish activities of human beings, our environment is getting affected. It is the most important topic that everyone must know how to protect our environment to keep it safe forever as well as ensure nature’s balance on this planet to continue the existence of life. What plays a great role in the existence of life on earth?
Each question below is followed by two statements I and II. You have to determine whether the data given in the statements are sufficient for answering the question. You should use the data and your knowledge of Mathematics to choose the best possible answer. In a family, there are five members. What is the sum of ages of Bhushan and Harshad, if Abhijeet is father of Harshad and twice his age? I. Varsha is the younger sister of Harshad and Vineeta is wife of Abhijeet. Bhushan is brother in law of Abhijeet the average sum of ages of Abhijeet, Varsha and Vineeta is 37 years. II. Vineeta is elder to Bhushan and the sum of their ages is 71 years. If the ratio of ages of Harshad and Bhushan is 4 ∶ 5.    
Consider the following statements: 1. Asiatic lion is naturally found in India only. 2. Double-humped camel is naturally found in India only. 3. One-horned rhinoceros is naturally found in India only. Which of the statements given above is/are correct?