A sum of money becomes thrice of itself in 20 years. Find the simple interest rate per annum?

In triangle ABC, points D and E are on AB and AC respectively such that DE is parallel to BC. If AD = 6 cm, DB = 4 cm, AE = 9 cm, then the length of EC (in cm) is

There is a match between two teams. Each team has a total of 15 players. After the match, all the players of one team shake hands with all the players of the other team. What is the number of possible hand shakes?

If the mean of \(3, 4, 9, 2k, 10, 8, 6\) and \((k + 6)\) is 8, and mode of \(2, 2, 3, 2p, (2p + 1), 4, 4, 5\) and 6 (\(p\) is a natural number) is 4, then the value of \((k - 2p)\) is :

Match List-I with List-II List-I (Names of Satellites) | List-II (Application) (A) EOS-04 | (I) Communication (B) GSAT-29 | (II) Experimental (C) GAGAN | (III) Navigation (D) INS-1A | (IV) Earth Observation Choose the correct answer from the options given below:

A train running at the speed of 80 km/h crosses a 350 m long tunnel in 36 seconds. The length of the train (in m) is

India shares the shortest land border with which of the following neighboring countries?

A tap can fill a tank in 6 hours. After half the tank is filled, three more similar taps are opened. What is the total time taken to fill the tank completely?

Two numbers \(a\) and \(b\) are in the ratio 3: 2 and their sum is 25. The value of \(a\) is?