0% 0 votes, 0 avg 0 Total time: 10 Minutes Your time is over! try again. Exponents and Logarithms (সূচক এবং লগারিদম) Exponents and Logarithms Quiz enhances your knowledge and skills in Exponents and Logarithm problems. You will have 10 minutes to complete the quiz and if you do not answer any question within the specified time, it will be considered incorrect. You need to get a minimum of 50% marks to pass the quiz. Press the "Start Quiz" button to participate in the quiz. 1 / 35 If an is an exponential expression, which is not true for n? Base Power Index Exponent Oops! Your answer is wrong. Wow! Your answer is correct. 2 / 35 According to exponent rules, when we multiply the expressions, we _______ the exponents. Add Subtract Multiply Divide Oops! Your answer is wrong. Wow! Your answer is correct. 3 / 35 If a ϵ R and m, n ϵ N, then am × an =? am + n am × an (m × n)a amn Oops! Your answer is wrong. Wow! Your answer is correct. 4 / 35 22 × 23 =? 32 16 64 128 Oops! Your answer is wrong. Wow! Your answer is correct. 5 / 35 According to exponent rules, when we divide the expressions, we _______ the exponents. Subtract Add Divide Multiply Oops! Your answer is wrong. Wow! Your answer is correct. 6 / 35 If a ϵ R and m, n ϵ N, then am/an =? am – n am + n am – an amn Oops! Your answer is wrong. Wow! Your answer is correct. 7 / 35 85/83 =? 64 32 128 46 Oops! Your answer is wrong. Wow! Your answer is correct. 8 / 35 If a, b ϵ R and n ϵ N, then (ab)n=? an × bn an - bn an × b-n am × bn Oops! Your answer is wrong. Wow! Your answer is correct. 9 / 35 (7 × 4)2 =? 784 764 684 847 Oops! Your answer is wrong. Wow! Your answer is correct. 10 / 35 If a, b ϵ R and n ϵ N, then (a/b) n=? an/bn an- bn an+ bn an × bn Oops! Your answer is wrong. Wow! Your answer is correct. 11 / 35 (8/5)2 =? 82/52 52/82 82× 52 82+ 52 Oops! Your answer is wrong. Wow! Your answer is correct. 12 / 35 If a ϵ R and m, n ϵ N, then (am)n =? amn an nmn man Oops! Your answer is wrong. Wow! Your answer is correct. 13 / 35 (23)2 =? 64 46 128 32 Oops! Your answer is wrong. Wow! Your answer is correct. 14 / 35 a0 =? 1 0 -1 Can't determine Oops! Your answer is wrong. Wow! Your answer is correct. 15 / 35 a-n =? 1/an 1/a-n n-a 1/n-a Oops! Your answer is wrong. Wow! Your answer is correct. 16 / 35 5-2 =? 0.04 0.0004 0.004 0.4 Oops! Your answer is wrong. Wow! Your answer is correct. 17 / 35 Which of the following is the standard form of 0.00001275? 1.275 x 10-5 12.75 x 10-5 1.027 x 10-5 1.275 x 105 Oops! Your answer is wrong. Wow! Your answer is correct. 18 / 35 Solve the equation: 22x + 1 = 128. 3 2 1 4 Oops! Your answer is wrong. Wow! Your answer is correct. 19 / 35 Solve the equation: 2x + 21 - x = 3. 0, 1 1, 2 0, 2 2, 3 Oops! Your answer is wrong. Wow! Your answer is correct. 20 / 35 If a, m and n are positive integers and a ≠ 1, then loga(mn) = logam + logan logam - logan r logam logp m/logpn Oops! Your answer is wrong. Wow! Your answer is correct. 21 / 35 If a, m and n are positive integers and a ≠ 1, then loga(m/n) =? logam - logan logp m/logpn r logam logam + logan Oops! Your answer is wrong. Wow! Your answer is correct. 22 / 35 If a and m are positive numbers, a ≠ 1 and r is a real number, then logamr =? r logam logp m/logpn 1/logmn logam - logan Oops! Your answer is wrong. Wow! Your answer is correct. 23 / 35 If m, n and p are positive numbers and n ≠ 1, p ≠ 1, then; Lognm =? logp m/logpn r logam logam - logan 1/logmn Oops! Your answer is wrong. Wow! Your answer is correct. 24 / 35 If m and n are the positive numbers other than 1, then lognm =? 1/logmn logp m/logpn r logam logam - logan Oops! Your answer is wrong. Wow! Your answer is correct. 25 / 35 eln n =? n ∞ 0 1 Oops! Your answer is wrong. Wow! Your answer is correct. 26 / 35 Find the value of log10100. 2 1 0 3 Oops! Your answer is wrong. Wow! Your answer is correct. 27 / 35 Find the value of log3(1/9). -2 -3 -1 2 Oops! Your answer is wrong. Wow! Your answer is correct. 28 / 35 Find the value of log√381. 8 2 3 6 Oops! Your answer is wrong. Wow! Your answer is correct. 29 / 35 What is the log of 5√5 to the base of 5? 3/2 1/2 5/2 3/4 Oops! Your answer is wrong. Wow! Your answer is correct. 30 / 35 If the log of 400 is 4, then what is the base of the log? 2√5 8√5 3√5 5√5 Oops! Your answer is wrong. Wow! Your answer is correct. 31 / 35 The logarithms having a base '10' are called - Common logarithms Natural logarithms Pure logarithms Infinite logarithms Oops! Your answer is wrong. Wow! Your answer is correct. 32 / 35 The relation x = logan implies ax = n an = x nx = a xa = n Oops! Your answer is wrong. Wow! Your answer is correct. 33 / 35 Solve the equation: logx324 = 4. 3√2 √2 2√2 5√2 Oops! Your answer is wrong. Wow! Your answer is correct. 34 / 35 If logxy = 100 and log2x = 10, then the value of y is: 21000 210 2100 210000 Oops! Your answer is wrong. Wow! Your answer is correct. 35 / 35 log101 =? 0 1 Can't determine Infinity Oops! Your answer is wrong. Wow! Your answer is correct. Please enter the required information and tap on the "See Result" button to view your results. Don't worry! Your information will be safe. For details check our Privacy Policy. Your score is The average score is 0% LinkedIn Facebook Twitter VKontakte 0% Restart quiz Please give a rating and share it with your friends. Send feedback