Three numbers are in the ratio of 3 ∶ 4 ∶ 5 and their HCF and LCM are 40 and 2400, respectively, then the largest number is-
Three numbers are in the ratio of 3 ∶ 4 ∶ 5 and their HCF and LCM are 40 and 2400, respectively, then the largest number is-
Which one of the following years will have the same calender as of 2009?
A train of length 140 m is running at a speed of 60km/hr and a cat is running in the same direction parallel to the train at a speed of 18 km/hr. The train will cross the cat in-
Given below are two statements, one is labelled assertion (A) and other is reason (R) —
Assertion (A) — Oral communication is a useful channel of communication.
Reason (R) — Because oral communication has no proof what has been communicated.
Select the correct answer using the code given below
If after selling 30 pens, the seller observes the profit of sell price of 10 pens, then the profit percentage is -