LCM and HCF 1 / 10 The LCM and HCF of 2³ x 3² x 5² and 2² x 3³ x 5 are 5400 and 180 1080 and 54 5400 and 504 None 2 / 10 Find HCF of 7/9 , 14/15 , 7/10 7/675 14/45 7/45 7/90 3 / 10 The LCM of 1/3 , 5/6 , 2/9 , 2/27 is 1/54 10/27 20/3 None 4 / 10 The HCF of 5/6 , 5/9 , 25/36 is 5/36 25/6 25/36 5/18 5 / 10 Find the ratio between LCM and HCF of 5, 15 and 20. 8:1 14:3 6:1 12:1 6 / 10 The LCM of 22, 54, 108, 135 is 5940 5490 5405 5095 7 / 10 The HCF of 1056, 1584, 2178 is 66 56 62 64 8 / 10 Mayank, Manoj and Ankit being to jog around a circular stadium. They complete their revolutions in 42 s, 56 s, 63 s, respectively. After how many seconds will they be together at the starting point? 520 s 504 s 380 s 480 s 9 / 10 In a morning walk, three persons step off together. Their steps measure 80 cm, 85 cm and 90 cm respectively. What is the minimum distance each should walk so that all can cover the same distance in complete steps? 12220 cm 12230 cm 12240 cm 12250 cm 10 / 10 The value of half of the HCF of 36 and 144 is 72 18 144 36 Your score isThe average score is 40% 0% Restart quiz Number system notes Youtube WhatsApp Telegram Number system 1 / 18 The sum of all natural numbers between 100 and 200 which are multiples of 3, is 5000 4950 4980 4900 2 / 18 A number divided by 899 gives a remainder of 63. If the number is divided by 29, the remainder 2 5 13 28 3 / 18 The sum of the digits of a two digit numbers is twice the number obtained by reversing the order of the digits. Find the number. 28 19 30 18 4 / 18 The units's place digit in the product (3127)^173 will be 1 3 7 9 5 / 18 A number consists of two digits. If the digits interchange places and the new number is added to the original number, the resulting number will be divisible by 11 5 3 9 6 / 18 On dividing a certain number by 357, the remainder is 39. On dividing the same number by 17. What will be the remainder? 5 3 7 6 7 / 18 find the unit digit in the product of (268 x 539 x 826 x 102). 5 3 4 2 8 / 18 What can be said about the expansion of 2^12n - 6^4n , where n is a positive integer Last digit is 4 Last digit is 8 Last digit is 2 Last two digits are zero 9 / 18 Find the number of divisors of 1420 14 15 13 12 10 / 18 The unit digit of the expression 125^813 x 553^1703 x 4532^828 4 2 0 5 11 / 18 The sum of all integers between 200 and 400 divisible by 9 is 3366 6633 6336 6363 12 / 18 The sum of three consecutive natural numbers each divisible by 3 is 72. What is the largest among them? 21 24 27 30 13 / 18 The sum of odd numbers from 10 to 60 is 775 468 921 875 14 / 18 which of the least number should be added at 1000 to make it exactly divisible by 45? 35 80 20 10 15 / 18 In a division problem, the divisor is 4 times the quotient and 3 times the remainder. If the remainder is 4, the dividend is 36 40 12 30 16 / 18 When a number is divided by 121, the remainder is 25. If the same number is divided by 11, the remainder will be 3 4 6 25 17 / 18 In 337^337, the unit digit is occupied by 1 3 7 9 18 / 18 If x is a number midway between 10 and 16 and y is half of 78, then y/x is equal to 6 5 4 3 Your score isThe average score is 24% 0% Restart quiz Ranking Test 1 / 8 In a class of 35 students, kunal is placed seventh from the bottom whereas sonali is placed ninth from the top. pulkit is placed exactly in between the two. What is kunal's position from pulkit? 9 10 11 13 2 / 8 In a row of girls, shilpa is eight from the left and reena is seventeenth from the right. If they interchange their positions, shilpa becomes fourteenth from the left. How many girls are there in the row? 25 30 27 28 3 / 8 Sumit ranked ninth from top and thirty eighth from bottom in class. How many students are there in a class? 47 48 45 46 4 / 8 In a class, Neha's rank is 21st from the op and 30th from the bottom. What is the total number of students in that class? 48 49 50 51 5 / 8 In a class of 42 students, lokesh's rank is 16th from the top. what is his rank from the bottom? 24 25 27 26 6 / 8 Shrikant is shorter than nilima. Pratima is taller than shrikant. Subhash is taller than nilima but shorter than heramb. Nilima is taller than prathima. Who will be in the middile if they stand in a row according to descending order of heigh? Pratima Subhash Shrikant Nilima 7 / 8 Anil is taller than Sujit but shorter than kusum and Surij is as tall as kalpana but taller than Vanita, then kalpana is just as tall as anita taller than kusum shorter than anita shorter than surjit 8 / 8 In a row of girls, Rinas is 11th from each end. How many girls are there in the row? 20 21 22 23 Your score isThe average score is 75% 0% Restart quiz