Question
 Some girls were sitting in a queue. Priya is sitting
14th from left end and Disha is 7th from right end. If there are 4 girls between Priya and Disha, how many girls are there in the queue?Solution
Number of girls in the queue are:
(14 + 4 + 7) = 25.
The refractive index of water and turpentine oil are 1.33 and 1.47, respectively. A ray of light travels from
turpentine oil to water. The re...
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