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Let the sum invested be 1000k. Amount after 1 year = 1000k × 1.1 = 1100k Sum after 2 years = 1100k × 1.1 = 1210k Interest of 2nd year = 1210k – 1100k = 110k Sum after 3 years = 1210k × 1.1 = 1331k Interest of 3rd year = 1331k – 1210k = 121k => 121k – 110k = 1210 ⇒ 11k = 1210 ⇒ k = 110 Hence, X = 1000 × 110 = Rs. 110000
A box contains only three colors of balls- red, green and blue. What is the minimum number of balls that should be picked from the box to ensure that at...
In a box, there are 6 red balls, 8 green balls, and 10 blue balls. If one ball is drawn at random, what is the probability that the ball drawn is either...
A basket contains 3 yellow, 5 purple and 3 red flowers. If 3 flowers are drawn at random, what is the probability that at least two are of same colour?
What is the probability that the cards drawn contains exactly 2 purple card?
A bag contains 15 black balls, 25 white balls, and 20 yellow balls. If three balls are drawn at random with replacement, what is the probability of draw...
If two dice are rolled simultaneously, what is the probability that the sum of the numbers on the two dice is greater than or equal to 10?
24 defective pens are accidentally mixed with 120 good ones. It is not possible to just look at a pen and tell whether or not it is defective. On...
