Ques:- 252 can be expressed as a product of primes as
A. 2 x 2 x 2 x 3 x 7
B. 2 x 2 x 3 x 3 x 7
C. 2 x 3 x 3 x 3 x 7
D. 3 x 3 x 3 x 3 x 7
Ques:- Which one of the following is the number by which the product of 8 consecutive integers is divisible?
A. 4!
B. 6!
C. 7!
D. 8!
E. All of these
Ques:- All natural numbers and 0 are called the _____ numbers.
A. whole
B. rational
C. integer
D. prime
Ques:- A train 132 m long passes a telegraph pole in 6 seconds. Find the speed of the train
A. 70 km/hr
B. 71 km/hr
C. 72 km/hr
D. 79.2 km/hr
Ques:- The largest natural number by which the product of three consecutive even natural numbers is always divisible is
A. 16
B. 24
C. 48
D. 96