Questions

A boat goes 15 km upstream and 10 1/2 km down stream in 3 hrs 15 min. It goes 12 km upstream and 14 km downstream in 3 hrs. What is the speed of the boat in still water?

If the fixed costs of a factory producing candles is Rs 20,000, selling price is Rs 30 per dozen candles and variable cost is Rs 1.5 per candle, what is the break-even quantity?

_____ reproduces by multiple fission.

In the following question, some part of the sentence may have errors. Find out which part of the sentence has an error and select the appropriate option. If a sentence is free from error, select 'No Error'.

An online shop evoke the analogy of buying products or services (1)/ at a regular retailer or shopping centre; the process (2)/ is called business-to-consumer (B2C) e-commerce .(3)/ No error (4)

Provincial Autonomy was provided by

The planet Mars is also known as the ____.

Which one of the following statements is not correct?

Given in the options are sets of particular characteristics of elements and how they vary across the period and down the group in the following format:

Characteristic of an element  -  Across the period  -  Down the group