upsi

On a 2200 m long circular track, Sarita and Kavita drove their cycles from the same point but in opposite direction with the speeds 20 km/hr and 16 km/hr, respectively. After how much time will they meet again for the first time?

△ABC is inscribed in a circle with Centre O. If AB=21 cm, BC=20 cm and AC=29 cm, then what is the length of the circumradius of the triangle?

The population of a place increased to 50,000 from 2016 to 2018 at the rate of 6% per annum, and continued the same trend for the next 3 years. If A is the population in 2016 and B is the population in 2020, both are approximated to the next possible integers, then the value of B-A is:

In a triangle HJK, HJ = HK. G is a point on HJ such that HG=GK=JK. What is the degree measure of two-third of (∠HGK+∠GKJ)?

Find the simple interest (in ₹) on ₹2000 at 6.5% per annum rate of interest for the period from 14 February 2023 to 28 April 2023

Rani and Adya, working separately, can finish a task in 12 days and 16 hours, respectively. They work in stretches of one day alternately. If Rani starts working first, then the task will be completed in how many days?

If the areas of two similar triangles are in the ratio 121: 225, what is the ratio of their corresponding sides?

Find the value of \( Y \), if \( X-2 Y+2 Z=16, X-Y+Z=9 \) and \( 2 X-3 Y-Z=9 \).

△ABC is inscribed in a circle with Centre O. If AB=21 cm, BC=20 cm and AC=29 cm, then what is the length of the circumradius of the triangle?