SUKHIJA
TUITIONS
MATH REAL NUMBERS (31-40)
MOST
IMPORTANT MCQ
31. n2 – 1 is
divisible by 8, if n is
(B) a natural number
(C) an odd integer greater than 1✅
(D) an even integer
(B) a natural number
(C) an odd integer greater than 1✅
(D) an even integer
32. If n is a rational number, then
52n − 22n is divisible by
(B) 7
(C) Both 3 and 7✅
(B) 7
(C) Both 3 and 7✅
(D) None of
these
33. Which
number is divisible by 11?
(a) 1516
(b) 1452✅
(c) 1011
(d) 1121
(a) 1516
(b) 1452✅
(c) 1011
(d) 1121
34. The
largest number that will divide 398,436 and 542 leaving remainders 7,11 and 15
respectively is
(a) 17✅
(b) 11
(c) 34
(d) 45
35. The H.C.F of 441, 567 and 693
is
(B) 441
(C) 126
(D) 63✅
(a) 17✅
(b) 11
(c) 34
(d) 45
(B) 441
(C) 126
(D) 63✅
36. On a morning walk, three
persons step off together and their steps measure 40 cm, 42 cm and 45 cm,
respectively. What is the minimum distance each should walk so that each can
cover the same distance in complete steps?
(B) 2525cm
(C) 2555cm
(D) 2528cm
(C) 2555cm
(D) 2528cm
37. 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
(a) 52✅
(b) 56
(c) 48
(d) 63
(a) 52✅
(b) 56
(c) 48
(d) 63
38. Express
98 as a product of its primes
(a) 2² × 7
(b) 2² × 7²
(c) 2 × 7²✅
(d) 23 × 7
39. Three
farmers have 490 kg, 588 kg and 882 kg of wheat respectively. Find the maximum
capacity of a bag so that the wheat can be packed in exact number of bags.
(a) 98 kg✅
(b) 290 kg
(c) 200 kg
(d) 350 kg
(a) 2² × 7
(b) 2² × 7²
(c) 2 × 7²✅
(d) 23 × 7
(a) 98 kg✅
(b) 290 kg
(c) 200 kg
(d) 350 kg
40. For some
integer p, every even integer is of the form
(a) 2p + 1
(b) 2p✅
(c) p + 1
(d) p
Thank you
for joining us
Sukhija tuitions
(a) 2p + 1
(b) 2p✅
(c) p + 1
(d) p
Sukhija tuitions
0 Comments
Join Us on Youtube And Telegram