ট্রেইনি সহকারী ১২. ০৪.২০১৯/সম্পূর্ণ বিষয় একত্রে এর প্রশ্ন পরুন ।

প্রশ্নঃ $If{\log }_{x}32=5,thevalueofxis-$

বর্ণনাঃ logx^(32)=5
Or, x^5=32
Or, x^5=2^5
So, x=2

প্রশ্নঃ A man sold his cow for Tk. 7920 and gained 10% . The buying price of the cow was:

বর্ণনাঃ Cost price: 100*7920/110

প্রশ্নঃ If Sufian's salary is 25% more than that of Habib , what is the ratio of the salary of Habib and Sufian ?

বর্ণনাঃ If Habib's salary is 100, then Sufian's salary is 100+25 = 125. Ratio (Habib : Sufian) = 100 : 125 = 4 : 5 = 4/5 = 0.8

প্রশ্নঃ What is 35% of $(\frac{11}{56}\times 160)?$

বর্ণনাঃ (35x11x160)/(100x56)=11

প্রশ্নঃ What is the angle that is half of its own complement ?

বর্ণনাঃ Two angles are complementary if their sum is equal to 90 degrees. The angle is 30 degrees.

প্রশ্নঃ If 5a = 3b=20, then 45ab =

বর্ণনাঃ 5a = 20
3b = 20
----------- 15ab = 400
3×15ab = 45ab = 400×3 = 1200. ans.

প্রশ্নঃ How many times does the digits '4' come to write numbers from 10 to 100?

বর্ণনাঃ 14, 24, 34, 40, 41, 42, 43, 44, 45, 46, 47, 48, 49, 54, 64, 74, 84, 94 => 19 times. ans.

প্রশ্নঃ Which of the following is the lowest positive integer that is divisible by 8,9,10,11 , and 12?

বর্ণনাঃ LCM of 8, 9, 10, 11, and 12 = 3960. ans.

প্রশ্নঃ If a and b are two different prime numbers , which of the following is the smallest possible value of a+b ?

বর্ণনাঃ To get the smallest possible value of a+b, we need to take the least two prime numbers fro a and b. The required sum is = 2+3 = 5. ans.

প্রশ্নঃ 3xy -20 +5x -12y =?

বর্ণনাঃ 3xy -20 + 5x - 12y = 5x - 20 + 3xy - 12y = 5(x-4) + 3y(x-4) = (x-4)(3y+5). ans.

প্রশ্নঃ The word 'substantiate' is -

বর্ণনাঃ Substantiate- Verb Substantial- adjective

প্রশ্নঃ Being the tallest in the class --

বর্ণনাঃ Being the tallest in the class -- the teacher asked her to sit at the back. (Simple Sentence, Past Indefinite Tense)

প্রশ্নঃ The government requires ____ before the end of the financial year.

বর্ণনাঃ 'that these forms be submitted' means there is an obligation that these forms must be submitted.

প্রশ্নঃ The antonym for 'INGENIOUS' is -

বর্ণনাঃ ingenious. Antonyms: unskillful, slow, uninventive, unready. Synonyms: skillful, adept, clever, inventive, ready, frank, sincere.

প্রশ্নঃ Feminine gender of 'Wizard' is :

বর্ণনাঃ witch (noun) a woman thought to have magic powers, especially evil ones, popularly depicted as wearing a black cloak and pointed hat and flying on a broomstick. Similar: sorceress enchantress occultist necromancer Wiccan

প্রশ্নঃ Fin Tech is short for :

বর্ণনাঃ Financial technology, often shortened to fintech, is the technology and innovation that aims to compete with traditional financial methods in the delivery of financial services. It is an emerging industry that uses technology to improve activities in finance.

প্রশ্নঃ In a database, which of the following is used to access a particular couple on a different table?

বর্ণনাঃ A foreign key is a column or group of columns in a relational database table that provides a link between data in two tables. It acts as a cross-reference between tables because it references the primary key of another table, thereby establishing a link between them.

প্রশ্নঃ Which one of the following extends a private network across public network?

বর্ণনাঃ A virtual private network (VPN) is a network that is constructed using public wires — usually the internet — to connect remote users or regional offices to a company's private, internal network.

প্রশ্নঃ Most World Wide Web pages contain commands in the language of

বর্ণনাঃ Hypertext Markup Language is the standard markup language for documents designed to be displayed in a web browser. It can be assisted by technologies such as Cascading Style Sheets and scripting languages such as JavaScript.

প্রশ্নঃ which one of the following is not a computer language?

বর্ণনাঃ Unix is a family of multitasking, multiuser computer operating systems that derive from the original AT&T Unix, development starting in the 1970s at the Bell Labs research center by Ken Thompson, Dennis Ritchie, and others.

প্রশ্নঃ Which country hosted the first -ever G-20 Digital Ministerial Meeting on Digital Economy ?

বর্ণনাঃ Germany established the first G20 Digital Economy Ministerial Meeting and created an overall perspective on digital policy with the G20 Roadmap on Digital Economy and the Ministerial Declaration.

প্রশ্নঃ 2019 ICC World Cup Cricket Will be held at s

বর্ণনাঃ The ICC Cricket World Cup 2019 was held in England and Wales, from 30 May to 14 July 2019. The ICC Cricket World Cup (CWC) takes place every four years. The 2019 event featured 10 teams and was the culmination of a global qualification process that ran over a 5-6 year period.

প্রশ্নঃ Who is the promoter of Chinese 'One Belt One Road ' initiative?

বর্ণনাঃ Chinese President Xi Jinping launched the Silk Road Economic Belt component of the One Belt One Road (OBOR) initiative at Kazakhstan in 2013. OBOR is a development strategy and framework that focuses on connectivity and cooperation among countries primarily in Eurasia.

প্রশ্নঃ Currency swap facility has been extended by the Government for which international body's members?

বর্ণনাঃ The government extended the currency swap facility for SAARC members, under which the RBI offers the facility of varying sizes not exceeding $2 billion in total. The decision was taken by the Union Cabinet, chaired by Prime Minister Narendra Modi.

প্রশ্নঃ SAARC is observing decade (2010-2020) of which of the following ?

বর্ণনাঃ The SAARC leaders at the 14th summit in New Delhi, India declared 2010-2020 as the ‘Decade for Intra-regional Connectivity in South Asia’. The 17th summit in Addu, the Maldives called for ‘Building Bridges’, and the latest 18th summit in Kathmandu, Nepal was themed on ‘Connectivity for Shared Prosperity’.