class 10 maths chapter 1 quiz 3e

#1. The product of three consecutive positive integers is divisible by

(b) 6

(c) no common factor

(d) only 1

(a) 4

#2. The least number that is divisible by all the numbers from 1 to 8 (both inclusive) is

(d) 420

(b) 2520

(a) 840

(c) 8

#3. There are 312, 260 and 156 students in class X, XI and XII respectively. Buses are to be hired to take these students to a picnic. Find the maximum number of students who can sit in a bus if each bus takes equal number of students

(c) 48

(b) 56

(d) 63

(a) 52

#4. Which number is divisible by 11?

(c) 1011

(b) 1452

(a) 1516

(d) 1121

#5. The product of a non-zero rational and an irrational number is

(c) always irrational

(b) rational or irrational

(a) always rational

(d) zero

#6. The largest number that will divide 398,436 and 542 leaving remainders 7,11 and 15 respectively is

(a) 17

(b) 11

(d) 45

(c) 34

#7. For some integer p, every even integer is of the form

(c) p + 1

(a) 2p + 1

(d) p

(b) 2p

#8. The least number that is divisible by all the numbers from 1 to 5 (both inclusive) is

(d) 100

(c) 20

(b) 60

(a) 5

#9. For some integer p, every odd integer is of the form

(b) 2p

(a) 2p + 1

(d) p

(c) p + 1

#10. The largest number which divides 60 and 75, leaving remainders 8 and 10 respectively, is

(d) 13

(b) 75

(a) 260

(c) 65