Playing with Numbers, Chapter 3 Class 6 Maths MCQs 1. The exact divisor of number 9 is (a) 2 (b) 3 (c) 4 (d) 5 A B C DQuestion 1 of 202. Which number is factor of every number (a) 1 (b) 2 (c) 10 (d) 100 A B C DQuestion 2 of 203. Numbers of factors of given number are: (a) 1 (b) 2 (c) finite (d) infinite A B C DQuestion 3 of 204. The numbers of multiples of given number are (a) 1 (b) 2 (c) finite (d) infinite A B C DQuestion 4 of 205. Every number is multiple of (a) 1 (b) 2 (c) 10 (d) itself A B C DQuestion 5 of 206. A number for which sum of all its factors is equal to twice number is called (a) Perfect number (b) even number (c) Odd number (d) Prime number A B C DQuestion 6 of 207. How many factors does 36 has (a) 7 (b) 9 (c) 10 (d) 8 A B C DQuestion 7 of 208. Which of following number is multiple of 8 (a) 2 (b) 4 (c) 10 (d) 16 A B C DQuestion 8 of 209. The numbers having two factors are called (a) Even (b) Odd (c) Prime (d) Composite A B C DQuestion 9 of 2010. The numbers having more than two factors are called (a) Prime numbers (b) Composite numbers (c) Even numbers (d) Odd numbers A B C DQuestion 10 of 2011. Which is greatest 3-digit number exactly divisible by 8,10,12 (a) 120 (b) 360 (c) 960 (d) 980 A B C DQuestion 11 of 2012. Divisibility by 2,5,10 can be checked by (a) sum of digits (b) last digit (c) last two digits (d) last three digits A B C DQuestion 12 of 2013. Find the least number which when divided by 6,15 and 18 leave remainder 5 in each case (a) 90 (b) 180 (c) 95 (d)185 A B C DQuestion 13 of 2014. L.C.M. of two co-prime numbers is always (a) product of numbers (b) sum of numbers (c) difference of numbers (d)none A B C DQuestion 14 of 2015. Find the L.C.M. of 12 and 18 (a) 6 (b) 36 (c) 12 (d) 18 A B C DQuestion 15 of 2016. 4= 2×2 , 15= 3×5, so H.C.F. of 4 and 15 is (a) 0 (b) 1 (c) 2 (d) 3 A B C DQuestion 16 of 2017. What is the H.C.F. two consecutive odd numbers (a) 1 (b) 2 (c) 4 (d) 8 A B C DQuestion 17 of 2018. The sum of two consecutive odd number is always divisible by (a) 2 (b) 4 (c) 6 (d)8 A B C DQuestion 18 of 2019. The product of three consecutive numbers is always divisible by (a) 2 (b) 4 (c) 6 (d) 8 A B C DQuestion 19 of 2020. Which of the following numbers has 4 different prime factors (a) 24 (b) 120 (c) 210 (d)100 A B C DQuestion 20 of 20 Loading…